64957347 has 36 divisors (see below), whose sum is σ = 116133264. Its totient is φ = 34257600.

The previous prime is 64957327. The next prime is 64957349. The reversal of 64957347 is 74375946.

It is not a de Polignac number, because 64957347 - 2⁶ = 64957283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64957349) 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 35 ways as a sum of consecutive naturals, for example, 7597 + ... + 13697.

It is an arithmetic number, because the mean of its divisors is an integer number (3225924).

Almost surely, 2^64957347 is an apocalyptic number.

64957347 is a deficient number, since it is larger than the sum of its proper divisors (51175917).

64957347 is a wasteful number, since it uses less digits than its factorization.

64957347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140 (or 6124 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 64957347 is about 8059.6120874394. The cubic root of 64957347 is about 401.9846099403.

The spelling of 64957347 in words is "sixty-four million, nine hundred fifty-seven thousand, three hundred forty-seven".