770605725 has 12 divisors (see below), whose sum is σ = 1274068256. Its totient is φ = 410989680.

The previous prime is 770605721. The next prime is 770605729. The reversal of 770605725 is 527506077.

It is an interprime number because it is at equal distance from previous prime (770605721) and next prime (770605729).

It is not a de Polignac number, because 770605725 - 2² = 770605721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770605721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5137297 + ... + 5137446.

Almost surely, 2^770605725 is an apocalyptic number.

770605725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

770605725 is a deficient number, since it is larger than the sum of its proper divisors (503462531).

770605725 is a wasteful number, since it uses less digits than its factorization.

770605725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274756 (or 10274751 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 770605725 is about 27759.7861122884. The cubic root of 770605725 is about 916.8059230126.

The spelling of 770605725 in words is "seven hundred seventy million, six hundred five thousand, seven hundred twenty-five".