764127732736 has 99 divisors (see below), whose sum is σ = 1557201317691. Its totient is φ = 374777001984.

The previous prime is 764127732713. The next prime is 764127732751. The reversal of 764127732736 is 637237721467.

The square root of 764127732736 is 874144.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1650383641 + ... + 1650384103.

Almost surely, 2^764127732736 is an apocalyptic number.

764127732736 is the 874144-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764127732736

764127732736 is an abundant number, since it is smaller than the sum of its proper divisors (793073584955).

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

764127732736 is an frugal number, since it uses more digits than its factorization.

764127732736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 524 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 55.

The spelling of 764127732736 in words is "seven hundred sixty-four billion, one hundred twenty-seven million, seven hundred thirty-two thousand, seven hundred thirty-six".