18475364 has 6 divisors (see below), whose sum is σ = 32331894. Its totient is φ = 9237680.

The previous prime is 18475339. The next prime is 18475367. The reversal of 18475364 is 46357481.

It can be written as a sum of positive squares in only one way, i.e., 17572864 + 902500 = 4192^2 + 950^2 .

It is not an unprimeable number, because it can be changed into a prime (18475367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309417 + ... + 2309424.

It is an arithmetic number, because the mean of its divisors is an integer number (5388649).

Almost surely, 2^18475364 is an apocalyptic number.

It is an amenable number.

18475364 is a deficient number, since it is larger than the sum of its proper divisors (13856530).

18475364 is a wasteful number, since it uses less digits than its factorization.

18475364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618845 (or 4618843 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 18475364 is about 4298.2978026191. The cubic root of 18475364 is about 264.3611715666.

The spelling of 18475364 in words is "eighteen million, four hundred seventy-five thousand, three hundred sixty-four".