273491080772 has 72 divisors (see below), whose sum is σ = 599697766080. Its totient is φ = 108172411200.

The previous prime is 273491080769. The next prime is 273491080817. The reversal of 273491080772 is 277080194372.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 273491080772.

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, 19457147 + ... + 19471197.

It is an arithmetic number, because the mean of its divisors is an integer number (8329135640).

Almost surely, 2^273491080772 is an apocalyptic number.

It is an amenable number.

273491080772 is an abundant number, since it is smaller than the sum of its proper divisors (326206685308).

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

273491080772 is a wasteful number, since it uses less digits than its factorization.

273491080772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721 (or 21712 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 273491080772 in words is "two hundred seventy-three billion, four hundred ninety-one million, eighty thousand, seven hundred seventy-two".