64305373 has 16 divisors (see below), whose sum is σ = 74559744. Its totient is φ = 54812160.

The previous prime is 64305361. The next prime is 64305379. The reversal of 64305373 is 37350346.

It is a cyclic number.

It is not a de Polignac number, because 64305373 - 2²¹ = 62208221 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 (64305379) 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, 68161 + ... + 69097.

It is an arithmetic number, because the mean of its divisors is an integer number (4659984).

Almost surely, 2^64305373 is an apocalyptic number.

It is an amenable number.

64305373 is a deficient number, since it is larger than the sum of its proper divisors (10254371).

64305373 is a wasteful number, since it uses less digits than its factorization.

64305373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 64305373 is about 8019.0630998889. The cubic root of 64305373 is about 400.6351845675.

The spelling of 64305373 in words is "sixty-four million, three hundred five thousand, three hundred seventy-three".