61246470 has 64 divisors (see below), whose sum is σ = 157593600. Its totient is φ = 15193728.

The previous prime is 61246459. The next prime is 61246511. The reversal of 61246470 is 7464216.

It is a super-2 number, since 2×61246470² = 7502260174921800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24331 + ... + 26729.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^61246470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61246470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78796800).

61246470 is an abundant number, since it is smaller than the sum of its proper divisors (96347130).

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

61246470 is a wasteful number, since it uses less digits than its factorization.

61246470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 61246470 is about 7826.0123945723. The cubic root of 61246470 is about 394.1791853336.

It can be divided in two parts, 61246 and 470, that added together give a palindrome (61716).

The spelling of 61246470 in words is "sixty-one million, two hundred forty-six thousand, four hundred seventy".