373553728 has 56 divisors (see below), whose sum is σ = 764438400. Its totient is φ = 181009920.

The previous prime is 373553657. The next prime is 373553729. The reversal of 373553728 is 827355373.

373553728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (373553729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409593 + ... + 410503.

Almost surely, 2^373553728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 373553728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382219200).

373553728 is an abundant number, since it is smaller than the sum of its proper divisors (390884672).

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

373553728 is a wasteful number, since it uses less digits than its factorization.

373553728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1105 counting only the distinct ones).

The product of its digits is 529200, while the sum is 43.

The square root of 373553728 is about 19327.5380739503. The cubic root of 373553728 is about 720.1965307124.

The spelling of 373553728 in words is "three hundred seventy-three million, five hundred fifty-three thousand, seven hundred twenty-eight".