64474407 has 8 divisors (see below), whose sum is σ = 95517680. Its totient is φ = 42982920.

The previous prime is 64474393. The next prime is 64474439. The reversal of 64474407 is 70447446.

64474407 is a `hidden beast` number, since 644 + 7 + 4 + 4 + 0 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-64474407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64474477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193944 + ... + 1193997.

It is an arithmetic number, because the mean of its divisors is an integer number (11939710).

Almost surely, 2^64474407 is an apocalyptic number.

64474407 is a deficient number, since it is larger than the sum of its proper divisors (31043273).

64474407 is a wasteful number, since it uses less digits than its factorization.

64474407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387950 (or 2387944 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 64474407 is about 8029.5956934331. The cubic root of 64474407 is about 400.9859158450.

The spelling of 64474407 in words is "sixty-four million, four hundred seventy-four thousand, four hundred seven".