772331 has 8 divisors (see below), whose sum is σ = 929280. Its totient is φ = 627048.

The previous prime is 772313. The next prime is 772333. The reversal of 772331 is 133277.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772331 is a prime.

It is a super-2 number, since 2×772331² = 1192990347122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772297 and 772306.

It is not an unprimeable number, because it can be changed into a prime (772333) 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, 2771 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (116160).

2⁷⁷²³³¹ is an apocalyptic number.

772331 is a deficient number, since it is larger than the sum of its proper divisors (156949).

772331 is a wasteful number, since it uses less digits than its factorization.

772331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833.

The product of its digits is 882, while the sum is 23.

The square root of 772331 is about 878.8236455626. The cubic root of 772331 is about 91.7489611754.

The spelling of 772331 in words is "seven hundred seventy-two thousand, three hundred thirty-one".