16917072 has 40 divisors (see below), whose sum is σ = 45116160. Its totient is φ = 5456640.

The previous prime is 16917067. The next prime is 16917073. The reversal of 16917072 is 27071961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16917073) 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, 4197 + ... + 7172.

It is an arithmetic number, because the mean of its divisors is an integer number (1127904).

Almost surely, 2^16917072 is an apocalyptic number.

16917072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16917072 is an abundant number, since it is smaller than the sum of its proper divisors (28199088).

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

16917072 is a wasteful number, since it uses less digits than its factorization.

16917072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411 (or 11405 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 16917072 is about 4113.0368342625. The cubic root of 16917072 is about 256.7093768995.

The spelling of 16917072 in words is "sixteen million, nine hundred seventeen thousand, seventy-two".