64752492 has 24 divisors (see below), whose sum is σ = 172673536. Its totient is φ = 18500688.

The previous prime is 64752491. The next prime is 64752581. The reversal of 64752492 is 29425746.

It is a self number, because there is not a number n which added to its sum of digits gives 64752492.

It is not an unprimeable number, because it can be changed into a prime (64752491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385348 + ... + 385515.

Almost surely, 2^64752492 is an apocalyptic number.

It is an amenable number.

64752492 is an abundant number, since it is smaller than the sum of its proper divisors (107921044).

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

64752492 is a wasteful number, since it uses less digits than its factorization.

64752492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770877 (or 770875 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 64752492 is about 8046.8933135714. The cubic root of 64752492 is about 401.5615873457.

The spelling of 64752492 in words is "sixty-four million, seven hundred fifty-two thousand, four hundred ninety-two".