72160270 has 64 divisors (see below), whose sum is σ = 161118720. Its totient is φ = 22658688.

The previous prime is 72160247. The next prime is 72160357. The reversal of 72160270 is 7206127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162669 + ... + 163111.

It is an arithmetic number, because the mean of its divisors is an integer number (2517480).

Almost surely, 2^72160270 is an apocalyptic number.

72160270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72160270 is an abundant number, since it is smaller than the sum of its proper divisors (88958450).

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

72160270 is a wasteful number, since it uses less digits than its factorization.

72160270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 72160270 is about 8494.7201248776. The cubic root of 72160270 is about 416.3252164424.

Adding to 72160270 its reverse (7206127), we get a palindrome (79366397).

The spelling of 72160270 in words is "seventy-two million, one hundred sixty thousand, two hundred seventy".