770131 has 4 divisors (see below), whose sum is σ = 777712. Its totient is φ = 762552.

The previous prime is 770129. The next prime is 770167. The reversal of 770131 is 131077.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 770131 - 2¹ = 770129 is a prime.

It is a super-2 number, since 2×770131² = 1186203514322, 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 = 770099 and 770108.

It is not an unprimeable number, because it can be changed into a prime (770101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636 + ... + 3841.

It is an arithmetic number, because the mean of its divisors is an integer number (194428).

2⁷⁷⁰¹³¹ is an apocalyptic number.

770131 is a deficient number, since it is larger than the sum of its proper divisors (7581).

770131 is a wasteful number, since it uses less digits than its factorization.

770131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 770131 is about 877.5710797423. The cubic root of 770131 is about 91.6617620884.

The spelling of 770131 in words is "seven hundred seventy thousand, one hundred thirty-one".