64475004 has 48 divisors (see below), whose sum is σ = 169787520. Its totient is φ = 18863040.

The previous prime is 64474997. The next prime is 64475039. The reversal of 64475004 is 40057446.

It is a super-2 number, since 2×64475004² = 8314052281600032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4594 + ... + 12249.

It is an arithmetic number, because the mean of its divisors is an integer number (3537240).

Almost surely, 2^64475004 is an apocalyptic number.

It is an amenable number.

64475004 is an abundant number, since it is smaller than the sum of its proper divisors (105312516).

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

64475004 is a wasteful number, since it uses less digits than its factorization.

64475004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16890 (or 16888 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 64475004 is about 8029.6328683197. The cubic root of 64475004 is about 400.9871534826.

The spelling of 64475004 in words is "sixty-four million, four hundred seventy-five thousand, four".