765105493 has 8 divisors (see below), whose sum is σ = 795735776. Its totient is φ = 735058800.

The previous prime is 765105491. The next prime is 765105589. The reversal of 765105493 is 394501567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 765105493 - 2¹ = 765105491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765105491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143223 + ... + 148468.

It is an arithmetic number, because the mean of its divisors is an integer number (99466972).

Almost surely, 2^765105493 is an apocalyptic number.

It is an amenable number.

765105493 is a deficient number, since it is larger than the sum of its proper divisors (30630283).

765105493 is a wasteful number, since it uses less digits than its factorization.

765105493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291795.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 765105493 is about 27660.5403598701. The cubic root of 765105493 is about 914.6194653213.

The spelling of 765105493 in words is "seven hundred sixty-five million, one hundred five thousand, four hundred ninety-three".