74488736040 has 64 divisors (see below), whose sum is σ = 228916618560. Its totient is φ = 19379182080.

The previous prime is 74488736039. The next prime is 74488736051. The reversal of 74488736040 is 4063788447.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7565074 + ... + 7574913.

It is an arithmetic number, because the mean of its divisors is an integer number (3576822165).

Almost surely, 2^74488736040 is an apocalyptic number.

It is an amenable number.

74488736040 is an abundant number, since it is smaller than the sum of its proper divisors (154427882520).

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

74488736040 is a wasteful number, since it uses less digits than its factorization.

74488736040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140042 (or 15140038 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 74488736040 in words is "seventy-four billion, four hundred eighty-eight million, seven hundred thirty-six thousand, forty".