272328156 has 84 divisors (see below), whose sum is σ = 726722584. Its totient is φ = 89229600.

The previous prime is 272328139. The next prime is 272328157. The reversal of 272328156 is 651823272.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 272328156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272328157) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 177111 + ... + 178641.

Almost surely, 2^272328156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272328156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363361292).

272328156 is an abundant number, since it is smaller than the sum of its proper divisors (454394428).

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

272328156 is a wasteful number, since it uses less digits than its factorization.

272328156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1597 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 272328156 is about 16502.3681936866. The cubic root of 272328156 is about 648.1828187873.

It can be divided in two parts, 272328 and 156, that added together give a square (272484 = 522²).

The spelling of 272328156 in words is "two hundred seventy-two million, three hundred twenty-eight thousand, one hundred fifty-six".