18958074 has 16 divisors (see below), whose sum is σ = 38011680. Its totient is φ = 6303440.

The previous prime is 18958073. The next prime is 18958091. The reversal of 18958074 is 47085981.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18958073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 6284.

It is an arithmetic number, because the mean of its divisors is an integer number (2375730).

Almost surely, 2^18958074 is an apocalyptic number.

18958074 is an abundant number, since it is smaller than the sum of its proper divisors (19053606).

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

18958074 is a wasteful number, since it uses less digits than its factorization.

18958074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 18958074 is about 4354.0870455240. The cubic root of 18958074 is about 266.6437476830.

The spelling of 18958074 in words is "eighteen million, nine hundred fifty-eight thousand, seventy-four".