72116753 has 8 divisors (see below), whose sum is σ = 76854528. Its totient is φ = 67512544.

The previous prime is 72116741. The next prime is 72116783. The reversal of 72116753 is 35761127.

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

It is not a de Polignac number, because 72116753 - 2⁸ = 72116497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72116783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32276 + ... + 34437.

It is an arithmetic number, because the mean of its divisors is an integer number (9606816).

Almost surely, 2^72116753 is an apocalyptic number.

It is an amenable number.

72116753 is a deficient number, since it is larger than the sum of its proper divisors (4737775).

72116753 is a wasteful number, since it uses less digits than its factorization.

72116753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66783.

The product of its digits is 8820, while the sum is 32.

The square root of 72116753 is about 8492.1583240069. The cubic root of 72116753 is about 416.2415098654.

The spelling of 72116753 in words is "seventy-two million, one hundred sixteen thousand, seven hundred fifty-three".