972872 has 8 divisors (see below), whose sum is σ = 1824150. Its totient is φ = 486432.

The previous prime is 972869. The next prime is 972887. The reversal of 972872 is 278279.

It can be written as a sum of positive squares in only one way, i.e., 972196 + 676 = 986^2 + 26^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60797 + ... + 60812.

2⁹⁷²⁸⁷² is an apocalyptic number.

It is an amenable number.

972872 is a deficient number, since it is larger than the sum of its proper divisors (851278).

972872 is a wasteful number, since it uses less digits than its factorization.

972872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121615 (or 121611 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 972872 is about 986.3427396194. The cubic root of 972872 is about 99.0874308410.

The spelling of 972872 in words is "nine hundred seventy-two thousand, eight hundred seventy-two".