275471720435772 has 72 divisors (see below), whose sum is σ = 830787728314320. Its totient is φ = 78706205837280.

The previous prime is 275471720435711. The next prime is 275471720435803. The reversal of 275471720435772 is 277534027174572.

275471720435772 is a `hidden beast` number, since 2 + 7 + 5 + 4 + 7 + 1 + 7 + 204 + 357 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26027179179 + ... + 26027189762.

It is an arithmetic number, because the mean of its divisors is an integer number (11538718448810).

Almost surely, 2^{275471720435772} is an apocalyptic number.

It is an amenable number.

275471720435772 is an abundant number, since it is smaller than the sum of its proper divisors (555316007878548).

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

275471720435772 is a wasteful number, since it uses less digits than its factorization.

275471720435772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52054368968 (or 52054368953 counting only the distinct ones).

The product of its (nonzero) digits is 161347200, while the sum is 63.

The spelling of 275471720435772 in words is "two hundred seventy-five trillion, four hundred seventy-one billion, seven hundred twenty million, four hundred thirty-five thousand, seven hundred seventy-two".