64657364 has 6 divisors (see below), whose sum is σ = 113150394. Its totient is φ = 32328680.

The previous prime is 64657331. The next prime is 64657367. The reversal of 64657364 is 46375646.

It can be written as a sum of positive squares in only one way, i.e., 59413264 + 5244100 = 7708^2 + 2290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64657367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8082167 + ... + 8082174.

It is an arithmetic number, because the mean of its divisors is an integer number (18858399).

Almost surely, 2^64657364 is an apocalyptic number.

It is an amenable number.

64657364 is a deficient number, since it is larger than the sum of its proper divisors (48493030).

64657364 is a wasteful number, since it uses less digits than its factorization.

64657364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16164345 (or 16164343 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 64657364 is about 8040.9802884972. The cubic root of 64657364 is about 401.3648460249.

The spelling of 64657364 in words is "sixty-four million, six hundred fifty-seven thousand, three hundred sixty-four".