64892004 has 24 divisors (see below), whose sum is σ = 152204640. Its totient is φ = 21517824.

The previous prime is 64891999. The next prime is 64892017. The reversal of 64892004 is 40029846.

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, 11694 + ... + 16325.

It is an arithmetic number, because the mean of its divisors is an integer number (6341860).

Almost surely, 2^64892004 is an apocalyptic number.

It is an amenable number.

64892004 is an abundant number, since it is smaller than the sum of its proper divisors (87312636).

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

64892004 is a wasteful number, since it uses less digits than its factorization.

64892004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28219 (or 28217 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 64892004 is about 8055.5573363983. The cubic root of 64892004 is about 401.8497743180.

The spelling of 64892004 in words is "sixty-four million, eight hundred ninety-two thousand, four".