64480475 has 12 divisors (see below), whose sum is σ = 81658464. Its totient is φ = 50485920.

The previous prime is 64480469. The next prime is 64480487. The reversal of 64480475 is 57408446.

It is not a de Polignac number, because 64480475 - 2⁸ = 64480219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26264 + ... + 28613.

It is an arithmetic number, because the mean of its divisors is an integer number (6804872).

Almost surely, 2^64480475 is an apocalyptic number.

64480475 is a deficient number, since it is larger than the sum of its proper divisors (17177989).

64480475 is a wasteful number, since it uses less digits than its factorization.

64480475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54934 (or 54929 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 64480475 is about 8029.9735366936. The cubic root of 64480475 is about 400.9984950286.

The spelling of 64480475 in words is "sixty-four million, four hundred eighty thousand, four hundred seventy-five".