18252374 has 8 divisors (see below), whose sum is σ = 31289808. Its totient is φ = 7822440.

The previous prime is 18252347. The next prime is 18252379. The reversal of 18252374 is 47325281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18252374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18252379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651857 + ... + 651884.

It is an arithmetic number, because the mean of its divisors is an integer number (3911226).

Almost surely, 2^18252374 is an apocalyptic number.

18252374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18252374 is a deficient number, since it is larger than the sum of its proper divisors (13037434).

18252374 is a wasteful number, since it uses less digits than its factorization.

18252374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303750.

The product of its digits is 13440, while the sum is 32.

The square root of 18252374 is about 4272.2797193068. The cubic root of 18252374 is about 263.2932870079.

The spelling of 18252374 in words is "eighteen million, two hundred fifty-two thousand, three hundred seventy-four".