64732602252 has 24 divisors (see below), whose sum is σ = 151046886256. Its totient is φ = 21576941568.

The previous prime is 64732602247. The next prime is 64732602299. The reversal of 64732602252 is 25220623746.

It is a self number, because there is not a number n which added to its sum of digits gives 64732602252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732348 + ... + 815964.

Almost surely, 2^64732602252 is an apocalyptic number.

It is an amenable number.

64732602252 is an abundant number, since it is smaller than the sum of its proper divisors (86314284004).

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

64732602252 is a wasteful number, since it uses less digits than its factorization.

64732602252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148137 (or 148135 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 64732602252 in words is "sixty-four billion, seven hundred thirty-two million, six hundred two thousand, two hundred fifty-two".