72192634 has 8 divisors (see below), whose sum is σ = 109905408. Its totient is φ = 35557500.

The previous prime is 72192619. The next prime is 72192667. The reversal of 72192634 is 43629127.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72192634.

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, 269242 + ... + 269509.

It is an arithmetic number, because the mean of its divisors is an integer number (13738176).

Almost surely, 2^72192634 is an apocalyptic number.

72192634 is a deficient number, since it is larger than the sum of its proper divisors (37712774).

72192634 is a wasteful number, since it uses less digits than its factorization.

72192634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538820.

The product of its digits is 18144, while the sum is 34.

The square root of 72192634 is about 8496.6248593191. The cubic root of 72192634 is about 416.3874479882.

The spelling of 72192634 in words is "seventy-two million, one hundred ninety-two thousand, six hundred thirty-four".