769972245 has 128 divisors (see below), whose sum is σ = 1595842560. Its totient is φ = 308551680.

The previous prime is 769972237. The next prime is 769972261. The reversal of 769972245 is 542279967.

769972245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 769972245 - 2³ = 769972237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2475640 + ... + 2475950.

It is an arithmetic number, because the mean of its divisors is an integer number (12467520).

Almost surely, 2^769972245 is an apocalyptic number.

It is an amenable number.

769972245 is an abundant number, since it is smaller than the sum of its proper divisors (825870315).

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

769972245 is a wasteful number, since it uses less digits than its factorization.

769972245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its digits is 1905120, while the sum is 51.

The square root of 769972245 is about 27748.3737361309. The cubic root of 769972245 is about 916.5546326256.

The spelling of 769972245 in words is "seven hundred sixty-nine million, nine hundred seventy-two thousand, two hundred forty-five".