770730245 has 12 divisors (see below), whose sum is σ = 957873540. Its totient is φ = 595319424.

The previous prime is 770730229. The next prime is 770730251. The reversal of 770730245 is 542037077.

It can be written as a sum of positive squares in 6 ways, for example, as 17447329 + 753282916 = 4177^2 + 27446^2 .

It is not a de Polignac number, because 770730245 - 2⁴ = 770730229 is a prime.

It is a super-2 number, since 2×770730245² = 1188050221115520050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87440 + ... + 95849.

It is an arithmetic number, because the mean of its divisors is an integer number (79822795).

Almost surely, 2^770730245 is an apocalyptic number.

It is an amenable number.

770730245 is a deficient number, since it is larger than the sum of its proper divisors (187143295).

770730245 is a wasteful number, since it uses less digits than its factorization.

770730245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183352 (or 183323 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 770730245 is about 27762.0288343630. The cubic root of 770730245 is about 916.8553017119.

The spelling of 770730245 in words is "seven hundred seventy million, seven hundred thirty thousand, two hundred forty-five".