64345757 has 8 divisors (see below), whose sum is σ = 73641216. Its totient is φ = 55076112.

The previous prime is 64345753. The next prime is 64345783. The reversal of 64345757 is 75754346.

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

It is not a de Polignac number, because 64345757 - 2² = 64345753 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 (64345753) 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 7 ways as a sum of consecutive naturals, for example, 773 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (9205152).

Almost surely, 2^64345757 is an apocalyptic number.

It is an amenable number.

64345757 is a deficient number, since it is larger than the sum of its proper divisors (9295459).

64345757 is a wasteful number, since it uses less digits than its factorization.

64345757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907.

The product of its digits is 352800, while the sum is 41.

The square root of 64345757 is about 8021.5807045744. The cubic root of 64345757 is about 400.7190337849.

The spelling of 64345757 in words is "sixty-four million, three hundred forty-five thousand, seven hundred fifty-seven".