764145612 has 36 divisors (see below), whose sum is σ = 1932450520. Its totient is φ = 254601792.

The previous prime is 764145611. The next prime is 764145709. The reversal of 764145612 is 216541467.

764145612 is a `hidden beast` number, since 7 + 641 + 4 + 5 + 6 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (764145611) 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 11 ways as a sum of consecutive naturals, for example, 129339 + ... + 135117.

Almost surely, 2^764145612 is an apocalyptic number.

It is an amenable number.

764145612 is an abundant number, since it is smaller than the sum of its proper divisors (1168304908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764145612 is a wasteful number, since it uses less digits than its factorization.

764145612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462 (or 9457 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 764145612 is about 27643.1838253122. The cubic root of 764145612 is about 914.2368195067.

The spelling of 764145612 in words is "seven hundred sixty-four million, one hundred forty-five thousand, six hundred twelve".