764226712 has 16 divisors (see below), whose sum is σ = 1471653360. Its totient is φ = 371785824.

The previous prime is 764226709. The next prime is 764226739. The reversal of 764226712 is 217622467.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290628 + ... + 1291219.

It is an arithmetic number, because the mean of its divisors is an integer number (91978335).

Almost surely, 2^764226712 is an apocalyptic number.

It is an amenable number.

764226712 is a deficient number, since it is larger than the sum of its proper divisors (707426648).

764226712 is a wasteful number, since it uses less digits than its factorization.

764226712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581890 (or 2581886 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 764226712 is about 27644.6506941216. The cubic root of 764226712 is about 914.2691615028.

The spelling of 764226712 in words is "seven hundred sixty-four million, two hundred twenty-six thousand, seven hundred twelve".