64708477 has 8 divisors (see below), whose sum is σ = 69481152. Its totient is φ = 60043200.

The previous prime is 64708379. The next prime is 64708493. The reversal of 64708477 is 77480746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64708477 - 2⁷ = 64708349 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 (64708877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25599 + ... + 28012.

It is an arithmetic number, because the mean of its divisors is an integer number (8685144).

Almost surely, 2^64708477 is an apocalyptic number.

It is an amenable number.

64708477 is a deficient number, since it is larger than the sum of its proper divisors (4772675).

64708477 is a wasteful number, since it uses less digits than its factorization.

64708477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53699.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 64708477 is about 8044.1579422585. The cubic root of 64708477 is about 401.4705806061.

The spelling of 64708477 in words is "sixty-four million, seven hundred eight thousand, four hundred seventy-seven".