64906752 has 40 divisors (see below), whose sum is σ = 172919736. Its totient is φ = 21635072.

The previous prime is 64906733. The next prime is 64906771. The reversal of 64906752 is 25760946.

It is an interprime number because it is at equal distance from previous prime (64906733) and next prime (64906771).

It is a self number, because there is not a number n which added to its sum of digits gives 64906752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19593 + ... + 22664.

Almost surely, 2^64906752 is an apocalyptic number.

It is an amenable number.

64906752 is an abundant number, since it is smaller than the sum of its proper divisors (108012984).

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

64906752 is an equidigital number, since it uses as much as digits as its factorization.

64906752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42278 (or 42262 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 64906752 is about 8056.4726772949. The cubic root of 64906752 is about 401.8802147996.

The spelling of 64906752 in words is "sixty-four million, nine hundred six thousand, seven hundred fifty-two".