61484340 has 96 divisors (see below), whose sum is σ = 177738624. Its totient is φ = 15874560.

The previous prime is 61484333. The next prime is 61484341. The reversal of 61484340 is 4348416.

61484340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 61484298 and 61484307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61484341) 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 31 ways as a sum of consecutive naturals, for example, 391542 + ... + 391698.

It is an arithmetic number, because the mean of its divisors is an integer number (1851444).

Almost surely, 2^61484340 is an apocalyptic number.

61484340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61484340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88869312).

61484340 is an abundant number, since it is smaller than the sum of its proper divisors (116254284).

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

61484340 is a wasteful number, since it uses less digits than its factorization.

61484340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 61484340 is about 7841.1950619788. The cubic root of 61484340 is about 394.6888325424.

The spelling of 61484340 in words is "sixty-one million, four hundred eighty-four thousand, three hundred forty".