18674051 has 12 divisors (see below), whose sum is σ = 20677776. Its totient is φ = 16851120.

The previous prime is 18674023. The next prime is 18674063. The reversal of 18674051 is 15047681.

It is a happy number.

It is not a de Polignac number, because 18674051 - 2¹⁰ = 18673027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18673999 and 18674017.

It is not an unprimeable number, because it can be changed into a prime (18674081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18506 + ... + 19488.

It is an arithmetic number, because the mean of its divisors is an integer number (1723148).

Almost surely, 2^18674051 is an apocalyptic number.

18674051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18674051 is a deficient number, since it is larger than the sum of its proper divisors (2003725).

18674051 is a wasteful number, since it uses less digits than its factorization.

18674051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 18674051 is about 4321.3482849685. The cubic root of 18674051 is about 265.3054553016.

The spelling of 18674051 in words is "eighteen million, six hundred seventy-four thousand, fifty-one".