74212977792 has 64 divisors (see below), whose sum is σ = 200847677760. Its totient is φ = 24270904320.

The previous prime is 74212977757. The next prime is 74212977803. The reversal of 74212977792 is 29777921247.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1802884 + ... + 1843587.

It is an arithmetic number, because the mean of its divisors is an integer number (3138244965).

Almost surely, 2^74212977792 is an apocalyptic number.

It is an amenable number.

74212977792 is an abundant number, since it is smaller than the sum of its proper divisors (126634699968).

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

74212977792 is a wasteful number, since it uses less digits than its factorization.

74212977792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646541 (or 3646529 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 57.

The spelling of 74212977792 in words is "seventy-four billion, two hundred twelve million, nine hundred seventy-seven thousand, seven hundred ninety-two".