764270073 has 20 divisors (see below), whose sum is σ = 1304786560. Its totient is φ = 436725432.

The previous prime is 764270033. The next prime is 764270093. The reversal of 764270073 is 370072467.

764270073 is a `hidden beast` number, since 7 + 642 + 7 + 0 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 764270073 - 2²⁸ = 495834617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (764270033) 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 19 ways as a sum of consecutive naturals, for example, 673393 + ... + 674526.

It is an arithmetic number, because the mean of its divisors is an integer number (65239328).

Almost surely, 2^764270073 is an apocalyptic number.

It is an amenable number.

764270073 is a deficient number, since it is larger than the sum of its proper divisors (540516487).

764270073 is a wasteful number, since it uses less digits than its factorization.

764270073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347938 (or 1347929 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 764270073 is about 27645.4349396062. The cubic root of 764270073 is about 914.2864525652.

The spelling of 764270073 in words is "seven hundred sixty-four million, two hundred seventy thousand, seventy-three".