782872 has 8 divisors (see below), whose sum is σ = 1467900. Its totient is φ = 391432.

The previous prime is 782861. The next prime is 782891. The reversal of 782872 is 278287.

782872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×782872² = 1225777136768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48922 + ... + 48937.

2⁷⁸²⁸⁷² is an apocalyptic number.

It is an amenable number.

782872 is a deficient number, since it is larger than the sum of its proper divisors (685028).

782872 is a wasteful number, since it uses less digits than its factorization.

782872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97865 (or 97861 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 782872 is about 884.8005424953. The cubic root of 782872 is about 92.1644820632.

The spelling of 782872 in words is "seven hundred eighty-two thousand, eight hundred seventy-two".