64604468 has 6 divisors (see below), whose sum is σ = 113057826. Its totient is φ = 32302232.

The previous prime is 64604453. The next prime is 64604497. The reversal of 64604468 is 86440646.

It can be written as a sum of positive squares in only one way, i.e., 62378404 + 2226064 = 7898^2 + 1492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8075555 + ... + 8075562.

It is an arithmetic number, because the mean of its divisors is an integer number (18842971).

Almost surely, 2^64604468 is an apocalyptic number.

It is an amenable number.

64604468 is a deficient number, since it is larger than the sum of its proper divisors (48453358).

64604468 is a wasteful number, since it uses less digits than its factorization.

64604468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151121 (or 16151119 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 64604468 is about 8037.6904643063. The cubic root of 64604468 is about 401.2553643625.

The spelling of 64604468 in words is "sixty-four million, six hundred four thousand, four hundred sixty-eight".