61074554976 has 72 divisors (see below), whose sum is σ = 178374871584. Its totient is φ = 19807960320.

The previous prime is 61074554971. The next prime is 61074555019. The reversal of 61074554976 is 67945547016.

61074554976 is a `hidden beast` number, since 6 + 10 + 7 + 4 + 554 + 9 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61074554971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2855080 + ... + 2876391.

It is an arithmetic number, because the mean of its divisors is an integer number (2477428772).

Almost surely, 2^61074554976 is an apocalyptic number.

It is an amenable number.

61074554976 is an abundant number, since it is smaller than the sum of its proper divisors (117300316608).

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

61074554976 is a wasteful number, since it uses less digits than its factorization.

61074554976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731524 (or 5731513 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 61074554976 in words is "sixty-one billion, seventy-four million, five hundred fifty-four thousand, nine hundred seventy-six".