769752065 has 4 divisors (see below), whose sum is σ = 923702484. Its totient is φ = 615801648.

The previous prime is 769752031. The next prime is 769752091. The reversal of 769752065 is 560257967.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146700544 + 623051521 = 12112^2 + 24961^2 .

It is a cyclic number.

It is not a de Polignac number, because 769752065 - 2⁶ = 769752001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76975202 + ... + 76975211.

It is an arithmetic number, because the mean of its divisors is an integer number (230925621).

Almost surely, 2^769752065 is an apocalyptic number.

It is an amenable number.

769752065 is a deficient number, since it is larger than the sum of its proper divisors (153950419).

769752065 is a wasteful number, since it uses less digits than its factorization.

769752065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153950418.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 769752065 is about 27744.4060127443. The cubic root of 769752065 is about 916.4672588103.

The spelling of 769752065 in words is "seven hundred sixty-nine million, seven hundred fifty-two thousand, sixty-five".