72142710 has 16 divisors (see below), whose sum is σ = 173142576. Its totient is φ = 19238048.

The previous prime is 72142709. The next prime is 72142723. The reversal of 72142710 is 1724127.

It is a super-2 number, since 2×72142710² = 10409141212288200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202349 + ... + 1202408.

It is an arithmetic number, because the mean of its divisors is an integer number (10821411).

Almost surely, 2^72142710 is an apocalyptic number.

72142710 is an abundant number, since it is smaller than the sum of its proper divisors (100999866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72142710 is a wasteful number, since it uses less digits than its factorization.

72142710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404767.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 72142710 is about 8493.6864787912. The cubic root of 72142710 is about 416.2914431768.

Adding to 72142710 its reverse (1724127), we get a palindrome (73866837).

The spelling of 72142710 in words is "seventy-two million, one hundred forty-two thousand, seven hundred ten".