16972377 has 16 divisors (see below), whose sum is σ = 23976960. Its totient is φ = 10649232.

The previous prime is 16972363. The next prime is 16972379. The reversal of 16972377 is 77327961.

It is not a de Polignac number, because 16972377 - 2⁶ = 16972313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16972379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8628 + ... + 10410.

It is an arithmetic number, because the mean of its divisors is an integer number (1498560).

Almost surely, 2^16972377 is an apocalyptic number.

It is an amenable number.

16972377 is a deficient number, since it is larger than the sum of its proper divisors (7004583).

16972377 is a wasteful number, since it uses less digits than its factorization.

16972377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972.

The product of its digits is 111132, while the sum is 42.

The square root of 16972377 is about 4119.7544829759. The cubic root of 16972377 is about 256.9888158971.

The spelling of 16972377 in words is "sixteen million, nine hundred seventy-two thousand, three hundred seventy-seven".