64503264 has 48 divisors (see below), whose sum is σ = 193511808. Its totient is φ = 18429312.

The previous prime is 64503251. The next prime is 64503277. The reversal of 64503264 is 46230546.

It is an interprime number because it is at equal distance from previous prime (64503251) and next prime (64503277).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47322 + ... + 48665.

It is an arithmetic number, because the mean of its divisors is an integer number (4031496).

Almost surely, 2^64503264 is an apocalyptic number.

It is an amenable number.

64503264 is an abundant number, since it is smaller than the sum of its proper divisors (129008544).

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

64503264 is a wasteful number, since it uses less digits than its factorization.

64503264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96007 (or 95999 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 64503264 is about 8031.3924072978. The cubic root of 64503264 is about 401.0457304041.

The spelling of 64503264 in words is "sixty-four million, five hundred three thousand, two hundred sixty-four".