18674562 has 32 divisors (see below), whose sum is σ = 38568960. Its totient is φ = 6025040.

The previous prime is 18674543. The next prime is 18674563. The reversal of 18674562 is 26547681.

It is a self number, because there is not a number n which added to its sum of digits gives 18674562.

It is not an unprimeable number, because it can be changed into a prime (18674563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24763 + ... + 25505.

It is an arithmetic number, because the mean of its divisors is an integer number (1205280).

Almost surely, 2^18674562 is an apocalyptic number.

18674562 is an abundant number, since it is smaller than the sum of its proper divisors (19894398).

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

18674562 is a wasteful number, since it uses less digits than its factorization.

18674562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878.

The product of its digits is 80640, while the sum is 39.

The square root of 18674562 is about 4321.4074096294. The cubic root of 18674562 is about 265.3078752345.

The spelling of 18674562 in words is "eighteen million, six hundred seventy-four thousand, five hundred sixty-two".