772874 has 4 divisors (see below), whose sum is σ = 1159314. Its totient is φ = 386436.

The previous prime is 772867. The next prime is 772903. The reversal of 772874 is 478277.

772874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478277 = 257 ⋅1861.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 24649 = 865^2 + 157^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193217 + ... + 193220.

2⁷⁷²⁸⁷⁴ is an apocalyptic number.

772874 is a deficient number, since it is larger than the sum of its proper divisors (386440).

772874 is a wasteful number, since it uses less digits than its factorization.

772874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386439.

The product of its digits is 21952, while the sum is 35.

The square root of 772874 is about 879.1325269833. The cubic root of 772874 is about 91.7704580098.

The spelling of 772874 in words is "seven hundred seventy-two thousand, eight hundred seventy-four".