64676057 has 8 divisors (see below), whose sum is σ = 68756160. Its totient is φ = 60663600.

The previous prime is 64676039. The next prime is 64676063. The reversal of 64676057 is 75067646.

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 64676057 - 2⁸ = 64675801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64676077) 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, 14933 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (8594520).

Almost surely, 2^64676057 is an apocalyptic number.

It is an amenable number.

64676057 is a deficient number, since it is larger than the sum of its proper divisors (4080103).

64676057 is a wasteful number, since it uses less digits than its factorization.

64676057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33823.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 64676057 is about 8042.1425627752. The cubic root of 64676057 is about 401.4035216409.

The spelling of 64676057 in words is "sixty-four million, six hundred seventy-six thousand, fifty-seven".