18854074 has 8 divisors (see below), whose sum is σ = 28561428. Its totient is φ = 9333600.

The previous prime is 18854051. The next prime is 18854093. The reversal of 18854074 is 47045881.

It can be written as a sum of positive squares in 2 ways, for example, as 17766225 + 1087849 = 4215^2 + 1043^2 .

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

It is a super-2 number, since 2×18854074² = 710952212794952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46467 + ... + 46870.

Almost surely, 2^18854074 is an apocalyptic number.

18854074 is a deficient number, since it is larger than the sum of its proper divisors (9707354).

18854074 is a wasteful number, since it uses less digits than its factorization.

18854074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93440.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 18854074 is about 4342.1278193991. The cubic root of 18854074 is about 266.1552695534.

The spelling of 18854074 in words is "eighteen million, eight hundred fifty-four thousand, seventy-four".