74769557064 has 32 divisors (see below), whose sum is σ = 187740168000. Its totient is φ = 24814348992.

The previous prime is 74769557059. The next prime is 74769557089. The reversal of 74769557064 is 46075596747.

It is a junction number, because it is equal to n+sod(n) for n = 74769556989 and 74769557007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6796684 + ... + 6807675.

It is an arithmetic number, because the mean of its divisors is an integer number (5866880250).

Almost surely, 2^74769557064 is an apocalyptic number.

It is an amenable number.

74769557064 is an abundant number, since it is smaller than the sum of its proper divisors (112970610936).

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

74769557064 is a wasteful number, since it uses less digits than its factorization.

74769557064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604597 (or 13604593 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 60.

The spelling of 74769557064 in words is "seventy-four billion, seven hundred sixty-nine million, five hundred fifty-seven thousand, sixty-four".