769507216 has 40 divisors (see below), whose sum is σ = 1506191544. Its totient is φ = 380835840.

The previous prime is 769507213. The next prime is 769507243. The reversal of 769507216 is 612705967.

It can be written as a sum of positive squares in 4 ways, for example, as 161391616 + 608115600 = 12704^2 + 24660^2 .

It is not an unprimeable number, because it can be changed into a prime (769507213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759126 + ... + 760138.

Almost surely, 2^769507216 is an apocalyptic number.

It is an amenable number.

769507216 is a deficient number, since it is larger than the sum of its proper divisors (736684328).

769507216 is a wasteful number, since it uses less digits than its factorization.

769507216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 769507216 is about 27739.9930785860. The cubic root of 769507216 is about 916.3700760511.

The spelling of 769507216 in words is "seven hundred sixty-nine million, five hundred seven thousand, two hundred sixteen".