61624612 has 24 divisors (see below), whose sum is σ = 124084800. Its totient is φ = 26231520.

The previous prime is 61624601. The next prime is 61624631. The reversal of 61624612 is 21642616.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 3214 + ... + 11557.

It is an arithmetic number, because the mean of its divisors is an integer number (5170200).

Almost surely, 2^61624612 is an apocalyptic number.

It is an amenable number.

61624612 is an abundant number, since it is smaller than the sum of its proper divisors (62460188).

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

61624612 is a wasteful number, since it uses less digits than its factorization.

61624612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14931 (or 14929 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 61624612 is about 7850.1345211404. The cubic root of 61624612 is about 394.9887557553.

The spelling of 61624612 in words is "sixty-one million, six hundred twenty-four thousand, six hundred twelve".