64673044 has 6 divisors (see below), whose sum is σ = 113177834. Its totient is φ = 32336520.

The previous prime is 64673039. The next prime is 64673053. The reversal of 64673044 is 44037646.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 864900 = 7988^2 + 930^2 .

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, 8084127 + ... + 8084134.

Almost surely, 2^64673044 is an apocalyptic number.

It is an amenable number.

64673044 is a deficient number, since it is larger than the sum of its proper divisors (48504790).

64673044 is a wasteful number, since it uses less digits than its factorization.

64673044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16168265 (or 16168263 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 64673044 is about 8041.9552348916. The cubic root of 64673044 is about 401.3972882801.

The spelling of 64673044 in words is "sixty-four million, six hundred seventy-three thousand, forty-four".