72899194 has 8 divisors (see below), whose sum is σ = 109596960. Its totient is φ = 36366876.

The previous prime is 72899171. The next prime is 72899201. The reversal of 72899194 is 49199827.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40254 + ... + 42025.

It is an arithmetic number, because the mean of its divisors is an integer number (13699620).

Almost surely, 2^72899194 is an apocalyptic number.

72899194 is a deficient number, since it is larger than the sum of its proper divisors (36697766).

72899194 is a wasteful number, since it uses less digits than its factorization.

72899194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82724.

The product of its digits is 326592, while the sum is 49.

The square root of 72899194 is about 8538.1024824020. The cubic root of 72899194 is about 417.7414554637.

The spelling of 72899194 in words is "seventy-two million, eight hundred ninety-nine thousand, one hundred ninety-four".