74047445764 has 6 divisors (see below), whose sum is σ = 129583030094. Its totient is φ = 37023722880.

The previous prime is 74047445707. The next prime is 74047445777. The reversal of 74047445764 is 46754474047.

It can be written as a sum of positive squares in only one way, i.e., 71053167364 + 2994278400 = 266558^2 + 54720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9255930717 + ... + 9255930724.

Almost surely, 2^74047445764 is an apocalyptic number.

It is an amenable number.

74047445764 is a deficient number, since it is larger than the sum of its proper divisors (55535584330).

74047445764 is a wasteful number, since it uses less digits than its factorization.

74047445764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18511861445 (or 18511861443 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 52.

The spelling of 74047445764 in words is "seventy-four billion, forty-seven million, four hundred forty-five thousand, seven hundred sixty-four".