275172912 has 60 divisors (see below), whose sum is σ = 880119760. Its totient is φ = 78620544.

The previous prime is 275172901. The next prime is 275172913. The reversal of 275172912 is 219271572.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (275172913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135487 + ... + 137502.

Almost surely, 2^275172912 is an apocalyptic number.

It is an amenable number.

275172912 is an abundant number, since it is smaller than the sum of its proper divisors (604946848).

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

275172912 is a wasteful number, since it uses less digits than its factorization.

275172912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273010 (or 273001 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 275172912 is about 16588.3366254727. The cubic root of 275172912 is about 650.4319905471.

The spelling of 275172912 in words is "two hundred seventy-five million, one hundred seventy-two thousand, nine hundred twelve".