971772 has 24 divisors (see below), whose sum is σ = 2317056. Its totient is φ = 316848.

The previous prime is 971767. The next prime is 971783. The reversal of 971772 is 277179.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 971772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (96544).

2⁹⁷¹⁷⁷² is an apocalyptic number.

It is an amenable number.

971772 is an abundant number, since it is smaller than the sum of its proper divisors (1345284).

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

971772 is a wasteful number, since it uses less digits than its factorization.

971772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1775 counting only the distinct ones).

The product of its digits is 6174, while the sum is 33.

The square root of 971772 is about 985.7849664100. The cubic root of 971772 is about 99.0500715997.

It can be divided in two parts, 97177 and 2, that added together give a palindrome (97179).

The spelling of 971772 in words is "nine hundred seventy-one thousand, seven hundred seventy-two".