770765672 has 16 divisors (see below), whose sum is σ = 1447599300. Its totient is φ = 384739200.

The previous prime is 770765659. The next prime is 770765687. The reversal of 770765672 is 276567077.

It can be written as a sum of positive squares in 2 ways, for example, as 743871076 + 26894596 = 27274^2 + 5186^2 .

It is a super-3 number, since 3×770765672³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 75347 + ... + 84962.

Almost surely, 2^770765672 is an apocalyptic number.

It is an amenable number.

770765672 is a deficient number, since it is larger than the sum of its proper divisors (676833628).

770765672 is a wasteful number, since it uses less digits than its factorization.

770765672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160916 (or 160912 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 47.

The square root of 770765672 is about 27762.6668747799. Note that the first 3 decimals coincide. The cubic root of 770765672 is about 916.8693494004.

The spelling of 770765672 in words is "seven hundred seventy million, seven hundred sixty-five thousand, six hundred seventy-two".