72830174 has 4 divisors (see below), whose sum is σ = 109245264. Its totient is φ = 36415086.

The previous prime is 72830143. The next prime is 72830183. The reversal of 72830174 is 47103827.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72830174.

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, 18207542 + ... + 18207545.

It is an arithmetic number, because the mean of its divisors is an integer number (27311316).

Almost surely, 2^72830174 is an apocalyptic number.

72830174 is a deficient number, since it is larger than the sum of its proper divisors (36415090).

72830174 is a wasteful number, since it uses less digits than its factorization.

72830174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36415089.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 72830174 is about 8534.0596435694. The cubic root of 72830174 is about 417.6095764589.

The spelling of 72830174 in words is "seventy-two million, eight hundred thirty thousand, one hundred seventy-four".