797772 has 24 divisors (see below), whose sum is σ = 1960000. Its totient is φ = 251856.

The previous prime is 797767. The next prime is 797773. The reversal of 797772 is 277797.

It is a self number, because there is not a number n which added to its sum of digits gives 797772.

It is not an unprimeable number, because it can be changed into a prime (797773) by changing a digit.

797772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522 + ... + 1977.

2⁷⁹⁷⁷⁷² is an apocalyptic number.

It is an amenable number.

797772 is an abundant number, since it is smaller than the sum of its proper divisors (1162228).

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

797772 is a wasteful number, since it uses less digits than its factorization.

797772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525 (or 3523 counting only the distinct ones).

The product of its digits is 43218, while the sum is 39.

The square root of 797772 is about 893.1808327545. The cubic root of 797772 is about 92.7455177129.

It can be divided in two parts, 7 and 97772, that added together give a palindrome (97779).

The spelling of 797772 in words is "seven hundred ninety-seven thousand, seven hundred seventy-two".