272881485 has 12 divisors (see below), whose sum is σ = 472994652. Its totient is φ = 145536768.

The previous prime is 272881429. The next prime is 272881493. The reversal of 272881485 is 584188272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38975049 + 233906436 = 6243^2 + 15294^2 .

It is not a de Polignac number, because 272881485 - 2⁶ = 272881421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 6064033 = 272881485 / (2 + 7 + 2 + 8 + 8 + 1 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 272881485.

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, 3031972 + ... + 3032061.

It is an arithmetic number, because the mean of its divisors is an integer number (39416221).

Almost surely, 2^272881485 is an apocalyptic number.

It is an amenable number.

272881485 is a deficient number, since it is larger than the sum of its proper divisors (200113167).

272881485 is a wasteful number, since it uses less digits than its factorization.

272881485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064044 (or 6064041 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 272881485 is about 16519.1248254864. The cubic root of 272881485 is about 648.6215244493.

The spelling of 272881485 in words is "two hundred seventy-two million, eight hundred eighty-one thousand, four hundred eighty-five".