772046 has 16 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 332280.

The previous prime is 772019. The next prime is 772061. The reversal of 772046 is 640277.

It is a super-2 number, since 2×772046² = 1192110052232, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

772046 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁷⁷²⁰⁴⁶ is an apocalyptic number.

772046 is a deficient number, since it is larger than the sum of its proper divisors (558514).

772046 is a wasteful number, since it uses less digits than its factorization.

772046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 772046 is about 878.6614820282. The cubic root of 772046 is about 91.7376742742.

Subtracting from 772046 its reverse (640277), we obtain a square (131769 = 363²).

The spelling of 772046 in words is "seven hundred seventy-two thousand, forty-six".