764123712 has 168 divisors, whose sum is σ = 2296094976. Its totient is φ = 223872000.

The previous prime is 764123669. The next prime is 764123713. The reversal of 764123712 is 217321467.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764123713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719662 + ... + 720722.

It is an arithmetic number, because the mean of its divisors is an integer number (13667232).

Almost surely, 2^764123712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764123712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148047488).

764123712 is an abundant number, since it is smaller than the sum of its proper divisors (1531971264).

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

764123712 is a wasteful number, since it uses less digits than its factorization.

764123712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1108 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 764123712 is about 27642.7877031243. The cubic root of 764123712 is about 914.2280855790.

The spelling of 764123712 in words is "seven hundred sixty-four million, one hundred twenty-three thousand, seven hundred twelve".