64572753 has 16 divisors (see below), whose sum is σ = 102675456. Its totient is φ = 35294160.

The previous prime is 64572751. The next prime is 64572757. The reversal of 64572753 is 35727546.

It is not a de Polignac number, because 64572753 - 2¹ = 64572751 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64572751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66363 + ... + 67328.

It is an arithmetic number, because the mean of its divisors is an integer number (6417216).

Almost surely, 2^64572753 is an apocalyptic number.

It is an amenable number.

64572753 is a deficient number, since it is larger than the sum of its proper divisors (38102703).

64572753 is a wasteful number, since it uses less digits than its factorization.

64572753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133724.

The product of its digits is 176400, while the sum is 39.

The square root of 64572753 is about 8035.7173295232. The cubic root of 64572753 is about 401.1896934822.

The spelling of 64572753 in words is "sixty-four million, five hundred seventy-two thousand, seven hundred fifty-three".