772842 has 16 divisors (see below), whose sum is σ = 1766592. Its totient is φ = 220800.

The previous prime is 772789. The next prime is 772843. The reversal of 772842 is 248277.

It is not an unprimeable number, because it can be changed into a prime (772843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (110412).

2⁷⁷²⁸⁴² is an apocalyptic number.

772842 is an abundant number, since it is smaller than the sum of its proper divisors (993750).

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

772842 is a wasteful number, since it uses less digits than its factorization.

772842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18413.

The product of its digits is 6272, while the sum is 30.

The square root of 772842 is about 879.1143270360. The cubic root of 772842 is about 91.7691914406.

The spelling of 772842 in words is "seven hundred seventy-two thousand, eight hundred forty-two".