770657230 has 32 divisors (see below), whose sum is σ = 1603177920. Its totient is φ = 261254400.

The previous prime is 770657221. The next prime is 770657231. The reversal of 770657230 is 32756077.

It is a self number, because there is not a number n which added to its sum of digits gives 770657230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770657231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55621 + ... + 68080.

It is an arithmetic number, because the mean of its divisors is an integer number (50099310).

Almost surely, 2^770657230 is an apocalyptic number.

770657230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

770657230 is an abundant number, since it is smaller than the sum of its proper divisors (832520690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770657230 is a wasteful number, since it uses less digits than its factorization.

770657230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123804.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 770657230 is about 27760.7137876532. The cubic root of 770657230 is about 916.8263480867.

The spelling of 770657230 in words is "seven hundred seventy million, six hundred fifty-seven thousand, two hundred thirty".