272870465 has 24 divisors (see below), whose sum is σ = 381672000. Its totient is φ = 186734688.

The previous prime is 272870461. The next prime is 272870473. The reversal of 272870465 is 564078272.

It is not a de Polignac number, because 272870465 - 2² = 272870461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272870461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181286 + ... + 182784.

It is an arithmetic number, because the mean of its divisors is an integer number (15903000).

Almost surely, 2^272870465 is an apocalyptic number.

It is an amenable number.

272870465 is a deficient number, since it is larger than the sum of its proper divisors (108801535).

272870465 is a wasteful number, since it uses less digits than its factorization.

272870465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 272870465 is about 16518.7912693393. The cubic root of 272870465 is about 648.6127930575.

The spelling of 272870465 in words is "two hundred seventy-two million, eight hundred seventy thousand, four hundred sixty-five".