764813346 has 64 divisors (see below), whose sum is σ = 1817164800. Its totient is φ = 211982400.

The previous prime is 764813341. The next prime is 764813353. The reversal of 764813346 is 643318467.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 764813298 and 764813307.

It is not an unprimeable number, because it can be changed into a prime (764813341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25851 + ... + 46881.

It is an arithmetic number, because the mean of its divisors is an integer number (28393200).

Almost surely, 2^764813346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764813346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908582400).

764813346 is an abundant number, since it is smaller than the sum of its proper divisors (1052351454).

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

764813346 is a wasteful number, since it uses less digits than its factorization.

764813346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21095.

The product of its digits is 290304, while the sum is 42.

The square root of 764813346 is about 27655.2589212251. The cubic root of 764813346 is about 914.5030380869.

The spelling of 764813346 in words is "seven hundred sixty-four million, eight hundred thirteen thousand, three hundred forty-six".