72169260 has 48 divisors (see below), whose sum is σ = 204854496. Its totient is φ = 18980352.

The previous prime is 72169249. The next prime is 72169297. The reversal of 72169260 is 6296127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3859 + ... + 12618.

It is an arithmetic number, because the mean of its divisors is an integer number (4267802).

Almost surely, 2^72169260 is an apocalyptic number.

It is an amenable number.

72169260 is an abundant number, since it is smaller than the sum of its proper divisors (132685236).

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

72169260 is a wasteful number, since it uses less digits than its factorization.

72169260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562 (or 16560 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 72169260 is about 8495.2492606162. The cubic root of 72169260 is about 416.3425048491.

The spelling of 72169260 in words is "seventy-two million, one hundred sixty-nine thousand, two hundred sixty".