275730072 has 64 divisors (see below), whose sum is σ = 761633280. Its totient is φ = 82739712.

The previous prime is 275730023. The next prime is 275730127. The reversal of 275730072 is 270037572.

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, 5308 + ... + 24075.

It is an arithmetic number, because the mean of its divisors is an integer number (11900520).

Almost surely, 2^275730072 is an apocalyptic number.

It is an amenable number.

275730072 is an abundant number, since it is smaller than the sum of its proper divisors (485903208).

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

275730072 is a wasteful number, since it uses less digits than its factorization.

275730072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29432 (or 29428 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 275730072 is about 16605.1218604381. The cubic root of 275730072 is about 650.8706848602.

The spelling of 275730072 in words is "two hundred seventy-five million, seven hundred thirty thousand, seventy-two".