61023480 has 64 divisors (see below), whose sum is σ = 209226240. Its totient is φ = 13948032.

The previous prime is 61023461. The next prime is 61023481. The reversal of 61023480 is 8432016.

It is a happy number.

61023480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61023480² = 7447730222620800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 61023480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61023481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35484 + ... + 37163.

It is an arithmetic number, because the mean of its divisors is an integer number (3269160).

Almost surely, 2^61023480 is an apocalyptic number.

61023480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61023480 is an abundant number, since it is smaller than the sum of its proper divisors (148202760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61023480 is a wasteful number, since it uses less digits than its factorization.

61023480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72668 (or 72664 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61023480 is about 7811.7526842572. The cubic root of 61023480 is about 393.7002194562.

Adding to 61023480 its reverse (8432016), we get a palindrome (69455496).

It can be divided in two parts, 610 and 23480, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 61023480 in words is "sixty-one million, twenty-three thousand, four hundred eighty".