764105 has 4 divisors (see below), whose sum is σ = 916932. Its totient is φ = 611280.

The previous prime is 764089. The next prime is 764111. The reversal of 764105 is 501467.

764105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501467 = 19 ⋅26393.

It can be written as a sum of positive squares in 2 ways, for example, as 327184 + 436921 = 572^2 + 661^2 .

It is not a de Polignac number, because 764105 - 2⁴ = 764089 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, 76406 + ... + 76415.

It is an arithmetic number, because the mean of its divisors is an integer number (229233).

2⁷⁶⁴¹⁰⁵ is an apocalyptic number.

It is an amenable number.

764105 is a deficient number, since it is larger than the sum of its proper divisors (152827).

764105 is a wasteful number, since it uses less digits than its factorization.

764105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152826.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 764105 is about 874.1309970479. The cubic root of 764105 is about 91.4220622924.

The spelling of 764105 in words is "seven hundred sixty-four thousand, one hundred five".