18930274 has 32 divisors (see below), whose sum is σ = 32804352. Its totient is φ = 8112000.

The previous prime is 18930269. The next prime is 18930281. The reversal of 18930274 is 47203981.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27624 + ... + 28300.

It is an arithmetic number, because the mean of its divisors is an integer number (1025136).

Almost surely, 2^18930274 is an apocalyptic number.

18930274 is a deficient number, since it is larger than the sum of its proper divisors (13874078).

18930274 is a wasteful number, since it uses less digits than its factorization.

18930274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 18930274 is about 4350.8934714608. The cubic root of 18930274 is about 266.5133490210.

The spelling of 18930274 in words is "eighteen million, nine hundred thirty thousand, two hundred seventy-four".