373345728 has 56 divisors (see below), whose sum is σ = 1128930432. Its totient is φ = 106669824.

The previous prime is 373345711. The next prime is 373345751. The reversal of 373345728 is 827543373.

373345728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 373345728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137550 + ... + 140237.

It is an arithmetic number, because the mean of its divisors is an integer number (20159472).

Almost surely, 2^373345728 is an apocalyptic number.

It is an amenable number.

373345728 is an abundant number, since it is smaller than the sum of its proper divisors (755584704).

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

373345728 is a wasteful number, since it uses less digits than its factorization.

373345728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277809 (or 277799 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 373345728 is about 19322.1564013958. The cubic root of 373345728 is about 720.0628340225.

The spelling of 373345728 in words is "three hundred seventy-three million, three hundred forty-five thousand, seven hundred twenty-eight".