772712 has 8 divisors (see below), whose sum is σ = 1448850. Its totient is φ = 386352.

The previous prime is 772703. The next prime is 772721. The reversal of 772712 is 217277.

772712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (772703) and next prime (772721).

It can be written as a sum of positive squares in only one way, i.e., 763876 + 8836 = 874^2 + 94^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

772712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48287 + ... + 48302.

2⁷⁷²⁷¹² is an apocalyptic number.

It is an amenable number.

772712 is a deficient number, since it is larger than the sum of its proper divisors (676138).

772712 is a wasteful number, since it uses less digits than its factorization.

772712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96595 (or 96591 counting only the distinct ones).

The product of its digits is 1372, while the sum is 26.

The square root of 772712 is about 879.0403858754. The cubic root of 772712 is about 91.7640456438.

Adding to 772712 its reverse (217277), we get a palindrome (989989).

The spelling of 772712 in words is "seven hundred seventy-two thousand, seven hundred twelve", and thus it is an iban number.