764193461 has 4 divisors (see below), whose sum is σ = 765591072. Its totient is φ = 762795852.

The previous prime is 764193439. The next prime is 764193467. The reversal of 764193461 is 164391467.

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 a de Polignac number, because none of the positive numbers 2^k-764193461 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 (764193467) 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, 697985 + ... + 699078.

It is an arithmetic number, because the mean of its divisors is an integer number (191397768).

Almost surely, 2^764193461 is an apocalyptic number.

It is an amenable number.

764193461 is a deficient number, since it is larger than the sum of its proper divisors (1397611).

764193461 is a wasteful number, since it uses less digits than its factorization.

764193461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397610.

The product of its digits is 108864, while the sum is 41.

The square root of 764193461 is about 27644.0492873240. The cubic root of 764193461 is about 914.2559015611.

The spelling of 764193461 in words is "seven hundred sixty-four million, one hundred ninety-three thousand, four hundred sixty-one".