764214071 has 4 divisors (see below), whose sum is σ = 766209792. Its totient is φ = 762218352.

The previous prime is 764214053. The next prime is 764214089. The reversal of 764214071 is 170412467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170412467 = 61 ⋅2793647.

It is an interprime number because it is at equal distance from previous prime (764214053) and next prime (764214089).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764214071 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 (764214001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997286 + ... + 998051.

It is an arithmetic number, because the mean of its divisors is an integer number (191552448).

Almost surely, 2^764214071 is an apocalyptic number.

764214071 is a deficient number, since it is larger than the sum of its proper divisors (1995721).

764214071 is a wasteful number, since it uses less digits than its factorization.

764214071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995720.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 764214071 is about 27644.4220594318. The cubic root of 764214071 is about 914.2641205291.

The spelling of 764214071 in words is "seven hundred sixty-four million, two hundred fourteen thousand, seventy-one".