94172904 has 72 divisors (see below), whose sum is σ = 296703810. Its totient is φ = 26905536.

The previous prime is 94172899. The next prime is 94172921. The reversal of 94172904 is 40927149.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 44100 = 9702^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9819 + ... + 16874.

Almost surely, 2^94172904 is an apocalyptic number.

It is an amenable number.

94172904 is an abundant number, since it is smaller than the sum of its proper divisors (202530906).

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

94172904 is a wasteful number, since it uses less digits than its factorization.

94172904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26719 (or 26705 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 94172904 is about 9704.2724611379. The cubic root of 94172904 is about 454.9622059337.

It can be divided in two parts, 9417 and 2904, that added together give a palindrome (12321).

The spelling of 94172904 in words is "ninety-four million, one hundred seventy-two thousand, nine hundred four".