772079 has 16 divisors (see below), whose sum is σ = 992256. Its totient is φ = 583200.

The previous prime is 772073. The next prime is 772081. The reversal of 772079 is 970277.

772079 = 22² + 23² + ... + 132².

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772079 is a prime.

It is a super-2 number, since 2×772079² = 1192211964482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2714 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (62016).

2⁷⁷²⁰⁷⁹ is an apocalyptic number.

772079 is a deficient number, since it is larger than the sum of its proper divisors (220177).

772079 is a wasteful number, since it uses less digits than its factorization.

772079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 772079 is about 878.6802603905. The cubic root of 772079 is about 91.7389813207.

The spelling of 772079 in words is "seven hundred seventy-two thousand, seventy-nine".