18474470 has 48 divisors (see below), whose sum is σ = 39767760. Its totient is φ = 6156864.

The previous prime is 18474457. The next prime is 18474487. The reversal of 18474470 is 7447481.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18474470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17621 + ... + 18639.

It is an arithmetic number, because the mean of its divisors is an integer number (828495).

Almost surely, 2^18474470 is an apocalyptic number.

18474470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18474470 is an abundant number, since it is smaller than the sum of its proper divisors (21293290).

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

18474470 is a wasteful number, since it uses less digits than its factorization.

18474470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 18474470 is about 4298.1938067053. The cubic root of 18474470 is about 264.3569074612.

The spelling of 18474470 in words is "eighteen million, four hundred seventy-four thousand, four hundred seventy".