64274072576 has 44 divisors (see below), whose sum is σ = 146840447808. Its totient is φ = 27546028032.

The previous prime is 64274072543. The next prime is 64274072591. The reversal of 64274072576 is 67527047246.

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 3 ways as a sum of consecutive naturals, for example, 4476236 + ... + 4490571.

Almost surely, 2^64274072576 is an apocalyptic number.

It is an amenable number.

64274072576 is an abundant number, since it is smaller than the sum of its proper divisors (82566375232).

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

64274072576 is an equidigital number, since it uses as much as digits as its factorization.

64274072576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966834 (or 8966816 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 64274072576 in words is "sixty-four billion, two hundred seventy-four million, seventy-two thousand, five hundred seventy-six".