272561880 has 32 divisors (see below), whose sum is σ = 817686000. Its totient is φ = 72683136.

The previous prime is 272561879. The next prime is 272561899. The reversal of 272561880 is 88165272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135555 + ... + 1135794.

Almost surely, 2^272561880 is an apocalyptic number.

272561880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272561880 is an abundant number, since it is smaller than the sum of its proper divisors (545124120).

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

272561880 is a wasteful number, since it uses less digits than its factorization.

272561880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271363 (or 2271359 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 272561880 is about 16509.4482039831. The cubic root of 272561880 is about 648.3681987640.

The spelling of 272561880 in words is "two hundred seventy-two million, five hundred sixty-one thousand, eight hundred eighty".