764115 has 24 divisors (see below), whose sum is σ = 1347024. Its totient is φ = 369600.

The previous prime is 764111. The next prime is 764131. The reversal of 764115 is 511467.

It is not a de Polignac number, because 764115 - 2² = 764111 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 764115.

It is not an unprimeable number, because it can be changed into a prime (764111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1605 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (56126).

2⁷⁶⁴¹¹⁵ is an apocalyptic number.

764115 is a deficient number, since it is larger than the sum of its proper divisors (582909).

764115 is a wasteful number, since it uses less digits than its factorization.

764115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 440 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 764115 is about 874.1367169957. The cubic root of 764115 is about 91.4224611104.

The spelling of 764115 in words is "seven hundred sixty-four thousand, one hundred fifteen".