62564640 has 48 divisors (see below), whose sum is σ = 197080128. Its totient is φ = 16683776.

The previous prime is 62564633. The next prime is 62564651. The reversal of 62564640 is 4646526.

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

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, 64692 + ... + 65651.

It is an arithmetic number, because the mean of its divisors is an integer number (4105836).

Almost surely, 2^62564640 is an apocalyptic number.

62564640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

62564640 is an abundant number, since it is smaller than the sum of its proper divisors (134515488).

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

62564640 is a wasteful number, since it uses less digits than its factorization.

62564640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130361 (or 130353 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 62564640 is about 7909.7812864832. The cubic root of 62564640 is about 396.9870286587.

The spelling of 62564640 in words is "sixty-two million, five hundred sixty-four thousand, six hundred forty".