372917139 has 8 divisors (see below), whose sum is σ = 568254720. Its totient is φ = 213095496.

The previous prime is 372917131. The next prime is 372917143. The reversal of 372917139 is 931719273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 372917139 - 2³ = 372917131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 372917139.

It is not an unprimeable number, because it can be changed into a prime (372917131) 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, 8878959 + ... + 8879000.

It is an arithmetic number, because the mean of its divisors is an integer number (71031840).

Almost surely, 2^372917139 is an apocalyptic number.

372917139 is a deficient number, since it is larger than the sum of its proper divisors (195337581).

372917139 is a wasteful number, since it uses less digits than its factorization.

372917139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17757969.

The product of its digits is 71442, while the sum is 42.

The square root of 372917139 is about 19311.0626067029. The cubic root of 372917139 is about 719.7871921228.

The spelling of 372917139 in words is "three hundred seventy-two million, nine hundred seventeen thousand, one hundred thirty-nine".