72894182 has 4 divisors (see below), whose sum is σ = 109341276. Its totient is φ = 36447090.

The previous prime is 72894167. The next prime is 72894229. The reversal of 72894182 is 28149827.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18223544 + ... + 18223547.

It is an arithmetic number, because the mean of its divisors is an integer number (27335319).

Almost surely, 2^72894182 is an apocalyptic number.

72894182 is a deficient number, since it is larger than the sum of its proper divisors (36447094).

72894182 is a wasteful number, since it uses less digits than its factorization.

72894182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36447093.

The product of its digits is 64512, while the sum is 41.

The square root of 72894182 is about 8537.8089695191. The cubic root of 72894182 is about 417.7318816580.

The spelling of 72894182 in words is "seventy-two million, eight hundred ninety-four thousand, one hundred eighty-two".