977672 has 8 divisors (see below), whose sum is σ = 1833150. Its totient is φ = 488832.

The previous prime is 977671. The next prime is 977681. The reversal of 977672 is 276779.

977672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 972196 + 5476 = 986^2 + 74^2 .

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

It is not an unprimeable number, because it can be changed into a prime (977671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61097 + ... + 61112.

2⁹⁷⁷⁶⁷² is an apocalyptic number.

It is an amenable number.

977672 is a deficient number, since it is larger than the sum of its proper divisors (855478).

977672 is a wasteful number, since it uses less digits than its factorization.

977672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122215 (or 122211 counting only the distinct ones).

The product of its digits is 37044, while the sum is 38.

The square root of 977672 is about 988.7729769770. The cubic root of 977672 is about 99.2501242525.

The spelling of 977672 in words is "nine hundred seventy-seven thousand, six hundred seventy-two".