272938840 has 16 divisors (see below), whose sum is σ = 614112480. Its totient is φ = 109175520.

The previous prime is 272938837. The next prime is 272938847. The reversal of 272938840 is 48839272.

It is a happy number.

It is a super-2 number, since 2×272938840² = 148991220761091200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272938847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3411696 + ... + 3411775.

It is an arithmetic number, because the mean of its divisors is an integer number (38382030).

Almost surely, 2^272938840 is an apocalyptic number.

272938840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272938840 is an abundant number, since it is smaller than the sum of its proper divisors (341173640).

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

272938840 is a wasteful number, since it uses less digits than its factorization.

272938840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823482 (or 6823478 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 272938840 is about 16520.8607523942. The cubic root of 272938840 is about 648.6669642995. Note that the first 3 decimals are identical.

The spelling of 272938840 in words is "two hundred seventy-two million, nine hundred thirty-eight thousand, eight hundred forty".