66325344 has 24 divisors (see below), whose sum is σ = 174104280. Its totient is φ = 22108416.

The previous prime is 66325327. The next prime is 66325351. The reversal of 66325344 is 44352366.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345349 + ... + 345540.

It is an arithmetic number, because the mean of its divisors is an integer number (7254345).

Almost surely, 2^66325344 is an apocalyptic number.

It is an amenable number.

66325344 is an abundant number, since it is smaller than the sum of its proper divisors (107778936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66325344 is a wasteful number, since it uses less digits than its factorization.

66325344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690902 (or 690894 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 66325344 is about 8144.0373280088. The cubic root of 66325344 is about 404.7869508935.

The spelling of 66325344 in words is "sixty-six million, three hundred twenty-five thousand, three hundred forty-four".