64006804 has 6 divisors (see below), whose sum is σ = 112011914. Its totient is φ = 32003400.

The previous prime is 64006793. The next prime is 64006823. The reversal of 64006804 is 40860046.

It can be written as a sum of positive squares in only one way, i.e., 46949904 + 17056900 = 6852^2 + 4130^2 .

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, 8000847 + ... + 8000854.

Almost surely, 2^64006804 is an apocalyptic number.

It is an amenable number.

64006804 is a deficient number, since it is larger than the sum of its proper divisors (48005110).

64006804 is a wasteful number, since it uses less digits than its factorization.

64006804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16001705 (or 16001703 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 64006804 is about 8000.4252386983. The cubic root of 64006804 is about 400.0141744977.

The spelling of 64006804 in words is "sixty-four million, six thousand, eight hundred four".