272636 has 36 divisors (see below), whose sum is σ = 603288. Its totient is φ = 106848.

The previous prime is 272621. The next prime is 272651. The reversal of 272636 is 636272.

It is an interprime number because it is at equal distance from previous prime (272621) and next prime (272651).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2495 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (16758).

2²⁷²⁶³⁶ is an apocalyptic number.

272636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301644).

272636 is an abundant number, since it is smaller than the sum of its proper divisors (330652).

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

272636 is a wasteful number, since it uses less digits than its factorization.

272636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 129 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 272636 is about 522.1455735712. The cubic root of 272636 is about 64.8426965475.

The spelling of 272636 in words is "two hundred seventy-two thousand, six hundred thirty-six".