18001792 has 16 divisors (see below), whose sum is σ = 35863200. Its totient is φ = 9000832.

The previous prime is 18001729. The next prime is 18001811. The reversal of 18001792 is 29710081.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×18001792² = 648129030422528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18001792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70192 + ... + 70447.

It is an arithmetic number, because the mean of its divisors is an integer number (2241450).

Almost surely, 2^18001792 is an apocalyptic number.

It is an amenable number.

18001792 is a deficient number, since it is larger than the sum of its proper divisors (17861408).

18001792 is an equidigital number, since it uses as much as digits as its factorization.

18001792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140653 (or 140641 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 18001792 is about 4242.8518710886. The cubic root of 18001792 is about 262.0828361111.

The spelling of 18001792 in words is "eighteen million, one thousand, seven hundred ninety-two".