373219728 has 40 divisors (see below), whose sum is σ = 1101887808. Its totient is φ = 106634112.

The previous prime is 373219723. The next prime is 373219729. The reversal of 373219728 is 827912373.

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 373219728.

It is not an unprimeable number, because it can be changed into a prime (373219723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555051 + ... + 555722.

Almost surely, 2^373219728 is an apocalyptic number.

It is an amenable number.

373219728 is an abundant number, since it is smaller than the sum of its proper divisors (728668080).

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

373219728 is a wasteful number, since it uses less digits than its factorization.

373219728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110791 (or 1110785 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 373219728 is about 19318.8956206094. The cubic root of 373219728 is about 719.9818205286.

The spelling of 373219728 in words is "three hundred seventy-three million, two hundred nineteen thousand, seven hundred twenty-eight".