372728 has 8 divisors (see below), whose sum is σ = 698880. Its totient is φ = 186360.

The previous prime is 372719. The next prime is 372733. The reversal of 372728 is 827273.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 372728.

It is a congruent number.

It is an unprimeable number.

372728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 23288 + ... + 23303.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2³⁷²⁷²⁸ is an apocalyptic number.

It is an amenable number.

372728 is a deficient number, since it is larger than the sum of its proper divisors (326152).

372728 is a wasteful number, since it uses less digits than its factorization.

372728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46597 (or 46593 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 372728 is about 610.5145370915. The cubic root of 372728 is about 71.9665482465.

The spelling of 372728 in words is "three hundred seventy-two thousand, seven hundred twenty-eight".