272987520 has 128 divisors (see below), whose sum is σ = 937167840. Its totient is φ = 67190784.

The previous prime is 272987509. The next prime is 272987537. The reversal of 272987520 is 25789272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19492 + ... + 30428.

Almost surely, 2^272987520 is an apocalyptic number.

272987520 is a gapful number since it is divisible by the number (20) 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 272987520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468583920).

272987520 is an abundant number, since it is smaller than the sum of its proper divisors (664180320).

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

272987520 is a wasteful number, since it uses less digits than its factorization.

272987520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972 (or 10960 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 272987520 is about 16522.3339755617. Note that the first 3 decimals coincide. The cubic root of 272987520 is about 648.7055263338.

The spelling of 272987520 in words is "two hundred seventy-two million, nine hundred eighty-seven thousand, five hundred twenty".