72710165 has 8 divisors (see below), whose sum is σ = 95184288. Its totient is φ = 52880080.

The previous prime is 72710161. The next prime is 72710237. The reversal of 72710165 is 56101727.

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

It is not a de Polignac number, because 72710165 - 2² = 72710161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72710161) 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, 660947 + ... + 661056.

It is an arithmetic number, because the mean of its divisors is an integer number (11898036).

Almost surely, 2^72710165 is an apocalyptic number.

It is an amenable number.

72710165 is a deficient number, since it is larger than the sum of its proper divisors (22474123).

72710165 is a wasteful number, since it uses less digits than its factorization.

72710165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322019.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 72710165 is about 8527.0255658113. The cubic root of 72710165 is about 417.3800724061.

It can be divided in two parts, 7 and 2710165, that added together give a palindrome (2710172).

The spelling of 72710165 in words is "seventy-two million, seven hundred ten thousand, one hundred sixty-five".