64477496 has 16 divisors (see below), whose sum is σ = 121230240. Its totient is φ = 32149440.

The previous prime is 64477493. The next prime is 64477529. The reversal of 64477496 is 69477446.

It is a self number, because there is not a number n which added to its sum of digits gives 64477496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64477493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8045 + ... + 13916.

It is an arithmetic number, because the mean of its divisors is an integer number (7576890).

Almost surely, 2^64477496 is an apocalyptic number.

It is an amenable number.

64477496 is a deficient number, since it is larger than the sum of its proper divisors (56752744).

64477496 is a wasteful number, since it uses less digits than its factorization.

64477496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22334 (or 22330 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 64477496 is about 8029.7880420345. The cubic root of 64477496 is about 400.9923195524.

The spelling of 64477496 in words is "sixty-four million, four hundred seventy-seven thousand, four hundred ninety-six".