772426 has 8 divisors (see below), whose sum is σ = 1219680. Its totient is φ = 365868.

The previous prime is 772403. The next prime is 772439. The reversal of 772426 is 624277.

772426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 772394 and 772403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10126 + ... + 10201.

It is an arithmetic number, because the mean of its divisors is an integer number (152460).

2⁷⁷²⁴²⁶ is an apocalyptic number.

772426 is a deficient number, since it is larger than the sum of its proper divisors (447254).

772426 is a wasteful number, since it uses less digits than its factorization.

772426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348.

The product of its digits is 4704, while the sum is 28.

The square root of 772426 is about 878.8776934250. The cubic root of 772426 is about 91.7527228587.

It can be divided in two parts, 7724 and 26, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 772426 in words is "seven hundred seventy-two thousand, four hundred twenty-six".