16972492 has 12 divisors (see below), whose sum is σ = 30504880. Its totient is φ = 8256816.

The previous prime is 16972489. The next prime is 16972517. The reversal of 16972492 is 29427961.

16972492 = T₂₃ + T₂₄ + ... + T₄₆₆.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57192 + ... + 57487.

Almost surely, 2^16972492 is an apocalyptic number.

It is an amenable number.

16972492 is a deficient number, since it is larger than the sum of its proper divisors (13532388).

16972492 is a wasteful number, since it uses less digits than its factorization.

16972492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114720 (or 114718 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 16972492 is about 4119.7684400947. The cubic root of 16972492 is about 256.9893963235.

The spelling of 16972492 in words is "sixteen million, nine hundred seventy-two thousand, four hundred ninety-two".