72875834 has 4 divisors (see below), whose sum is σ = 109313754. Its totient is φ = 36437916.

The previous prime is 72875807. The next prime is 72875851. The reversal of 72875834 is 43857827.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 20675209 = 7225^2 + 4547^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18218957 + ... + 18218960.

Almost surely, 2^72875834 is an apocalyptic number.

72875834 is a deficient number, since it is larger than the sum of its proper divisors (36437920).

72875834 is a wasteful number, since it uses less digits than its factorization.

72875834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36437919.

The product of its digits is 376320, while the sum is 44.

The square root of 72875834 is about 8536.7343873404. The cubic root of 72875834 is about 417.6968299912.

The spelling of 72875834 in words is "seventy-two million, eight hundred seventy-five thousand, eight hundred thirty-four".