765732345 has 32 divisors (see below), whose sum is σ = 1401235200. Its totient is φ = 349789440.

The previous prime is 765732337. The next prime is 765732371. The reversal of 765732345 is 543237567.

It is not a de Polignac number, because 765732345 - 2³ = 765732337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 765732297 and 765732306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266215 + ... + 269075.

It is an arithmetic number, because the mean of its divisors is an integer number (43788600).

Almost surely, 2^765732345 is an apocalyptic number.

It is an amenable number.

765732345 is a deficient number, since it is larger than the sum of its proper divisors (635502855).

765732345 is a wasteful number, since it uses less digits than its factorization.

765732345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425.

The product of its digits is 529200, while the sum is 42.

The square root of 765732345 is about 27671.8691996041. The cubic root of 765732345 is about 914.8691801387.

The spelling of 765732345 in words is "seven hundred sixty-five million, seven hundred thirty-two thousand, three hundred forty-five".