16972528 has 40 divisors (see below), whose sum is σ = 36345888. Its totient is φ = 7636992.

The previous prime is 16972517. The next prime is 16972541. The reversal of 16972528 is 82527961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4900 + ... + 7612.

Almost surely, 2^16972528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16972528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18172944).

16972528 is an abundant number, since it is smaller than the sum of its proper divisors (19373360).

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

16972528 is a wasteful number, since it uses less digits than its factorization.

16972528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761 (or 2755 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 16972528 is about 4119.7728092699. The cubic root of 16972528 is about 256.9895780217.

It can be divided in two parts, 1697 and 2528, that added together give a square (4225 = 65²).

The spelling of 16972528 in words is "sixteen million, nine hundred seventy-two thousand, five hundred twenty-eight".