16764740 has 24 divisors (see below), whose sum is σ = 35734272. Its totient is φ = 6605280.

The previous prime is 16764731. The next prime is 16764751. The reversal of 16764740 is 4746761.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16764740.

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, 4916 + ... + 7595.

It is an arithmetic number, because the mean of its divisors is an integer number (1488928).

Almost surely, 2^16764740 is an apocalyptic number.

16764740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16764740 is an abundant number, since it is smaller than the sum of its proper divisors (18969532).

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

16764740 is a wasteful number, since it uses less digits than its factorization.

16764740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12587 (or 12585 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 16764740 is about 4094.4767675492. The cubic root of 16764740 is about 255.9365280468.

The spelling of 16764740 in words is "sixteen million, seven hundred sixty-four thousand, seven hundred forty".