769032641 has 6 divisors (see below), whose sum is σ = 832739670. Its totient is φ = 709876128.

The previous prime is 769032637. The next prime is 769032697. The reversal of 769032641 is 146230967.

It can be written as a sum of positive squares in 3 ways, for example, as 23961025 + 745071616 = 4895^2 + 27296^2 .

It is not a de Polignac number, because 769032641 - 2² = 769032637 is a prime.

It is a super-2 number, since 2×769032641² = 1182822405846869762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 769032595 and 769032604.

It is not an unprimeable number, because it can be changed into a prime (769032631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2275076 + ... + 2275413.

It is an arithmetic number, because the mean of its divisors is an integer number (138789945).

Almost surely, 2^769032641 is an apocalyptic number.

It is an amenable number.

769032641 is a deficient number, since it is larger than the sum of its proper divisors (63707029).

769032641 is a wasteful number, since it uses less digits than its factorization.

769032641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550515 (or 4550502 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 769032641 is about 27731.4377737614. The cubic root of 769032641 is about 916.1816542697.

The spelling of 769032641 in words is "seven hundred sixty-nine million, thirty-two thousand, six hundred forty-one".