64073253 has 16 divisors (see below), whose sum is σ = 86682176. Its totient is φ = 42094080.

The previous prime is 64073231. The next prime is 64073257. The reversal of 64073253 is 35237046.

It is not a de Polignac number, because 64073253 - 2⁶ = 64073189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64073253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64073257) 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, 122250 + ... + 122772.

It is an arithmetic number, because the mean of its divisors is an integer number (5417636).

Almost surely, 2^64073253 is an apocalyptic number.

It is an amenable number.

64073253 is a deficient number, since it is larger than the sum of its proper divisors (22608923).

64073253 is a wasteful number, since it uses less digits than its factorization.

64073253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 64073253 is about 8004.5770031901. The cubic root of 64073253 is about 400.1525522288.

The spelling of 64073253 in words is "sixty-four million, seventy-three thousand, two hundred fifty-three".