64534700 has 18 divisors (see below), whose sum is σ = 140040516. Its totient is φ = 25813840.

The previous prime is 64534681. The next prime is 64534727. The reversal of 64534700 is 743546.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322574 + ... + 322773.

Almost surely, 2^64534700 is an apocalyptic number.

It is an amenable number.

64534700 is an abundant number, since it is smaller than the sum of its proper divisors (75505816).

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

64534700 is a wasteful number, since it uses less digits than its factorization.

64534700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645361 (or 645354 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 64534700 is about 8033.3492392650. The cubic root of 64534700 is about 401.1108703948.

The spelling of 64534700 in words is "sixty-four million, five hundred thirty-four thousand, seven hundred".