275475812 has 12 divisors (see below), whose sum is σ = 482729856. Its totient is φ = 137553000.

The previous prime is 275475797. The next prime is 275475833. The reversal of 275475812 is 218574572.

It is a self number, because there is not a number n which added to its sum of digits gives 275475812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42848 + ... + 48855.

It is an arithmetic number, because the mean of its divisors is an integer number (40227488).

Almost surely, 2^275475812 is an apocalyptic number.

It is an amenable number.

275475812 is a deficient number, since it is larger than the sum of its proper divisors (207254044).

275475812 is a wasteful number, since it uses less digits than its factorization.

275475812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92458 (or 92456 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The square root of 275475812 is about 16597.4640231573. The cubic root of 275475812 is about 650.6705600627.

The spelling of 275475812 in words is "two hundred seventy-five million, four hundred seventy-five thousand, eight hundred twelve".