18474051 has 8 divisors (see below), whose sum is σ = 25097040. Its totient is φ = 12083552.

The previous prime is 18474017. The next prime is 18474059. The reversal of 18474051 is 15047481.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18474051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18474059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57936 + ... + 58253.

It is an arithmetic number, because the mean of its divisors is an integer number (3137130).

Almost surely, 2^18474051 is an apocalyptic number.

18474051 is a deficient number, since it is larger than the sum of its proper divisors (6622989).

18474051 is a wasteful number, since it uses less digits than its factorization.

18474051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116245.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 18474051 is about 4298.1450650251. The cubic root of 18474051 is about 264.3549089126.

Adding to 18474051 its sum of digits (30), we get a triangular number (18474081 = T₆₀₇₈).

The spelling of 18474051 in words is "eighteen million, four hundred seventy-four thousand, fifty-one".