765872241 has 4 divisors (see below), whose sum is σ = 1021162992. Its totient is φ = 510581492.

The previous prime is 765872231. The next prime is 765872299. The reversal of 765872241 is 142278567.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 765872241 - 2¹⁷ = 765741169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 765872193 and 765872202.

It is not an unprimeable number, because it can be changed into a prime (765872231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127645371 + ... + 127645376.

It is an arithmetic number, because the mean of its divisors is an integer number (255290748).

Almost surely, 2^765872241 is an apocalyptic number.

It is an amenable number.

765872241 is a deficient number, since it is larger than the sum of its proper divisors (255290751).

765872241 is a wasteful number, since it uses less digits than its factorization.

765872241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255290750.

The product of its digits is 188160, while the sum is 42.

The square root of 765872241 is about 27674.3968497960. The cubic root of 765872241 is about 914.9248909651.

The spelling of 765872241 in words is "seven hundred sixty-five million, eight hundred seventy-two thousand, two hundred forty-one".