717055612772 has 12 divisors (see below), whose sum is σ = 1254853279596. Its totient is φ = 358526104320.

The previous prime is 717055612751. The next prime is 717055612783. The reversal of 717055612772 is 277216550717.

It can be written as a sum of positive squares in 2 ways, for example, as 457876875556 + 259178737216 = 676666^2 + 509096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 717055612772.

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, 1298348 + ... + 1766300.

It is an arithmetic number, because the mean of its divisors is an integer number (104571106633).

Almost surely, 2^717055612772 is an apocalyptic number.

It is an amenable number.

717055612772 is a deficient number, since it is larger than the sum of its proper divisors (537797666824).

717055612772 is a wasteful number, since it uses less digits than its factorization.

717055612772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851038 (or 851036 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 50.

The spelling of 717055612772 in words is "seven hundred seventeen billion, fifty-five million, six hundred twelve thousand, seven hundred seventy-two".