764264448 has 180 divisors, whose sum is σ = 2269573488. Its totient is φ = 247726080.

The previous prime is 764264443. The next prime is 764264453. The reversal of 764264448 is 844462467.

It is an interprime number because it is at equal distance from previous prime (764264443) and next prime (764264453).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764264441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10469340 + ... + 10469412.

Almost surely, 2^764264448 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 764264448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134786744).

764264448 is an abundant number, since it is smaller than the sum of its proper divisors (1505309040).

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

764264448 is an equidigital number, since it uses as much as digits as its factorization.

764264448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 149 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The square root of 764264448 is about 27645.3332047201. Note that the first 3 decimals coincide. The cubic root of 764264448 is about 914.2842095213.

The spelling of 764264448 in words is "seven hundred sixty-four million, two hundred sixty-four thousand, four hundred forty-eight".