72751234 has 8 divisors (see below), whose sum is σ = 112647168. Its totient is φ = 35202180.

The previous prime is 72751229. The next prime is 72751241. The reversal of 72751234 is 43215727.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 72751196 and 72751205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586642 + ... + 586765.

It is an arithmetic number, because the mean of its divisors is an integer number (14080896).

Almost surely, 2^72751234 is an apocalyptic number.

72751234 is a deficient number, since it is larger than the sum of its proper divisors (39895934).

72751234 is a wasteful number, since it uses less digits than its factorization.

72751234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173440.

The product of its digits is 11760, while the sum is 31.

The square root of 72751234 is about 8529.4333926703. The cubic root of 72751234 is about 417.4586407689.

The spelling of 72751234 in words is "seventy-two million, seven hundred fifty-one thousand, two hundred thirty-four".