776072304 has 120 divisors (see below), whose sum is σ = 2628269280. Its totient is φ = 208687104.

The previous prime is 776072303. The next prime is 776072333. The reversal of 776072304 is 403270677.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776072303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5509 + ... + 39780.

It is an arithmetic number, because the mean of its divisors is an integer number (21902244).

Almost surely, 2^776072304 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 776072304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314134640).

776072304 is an abundant number, since it is smaller than the sum of its proper divisors (1852196976).

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

776072304 is a wasteful number, since it uses less digits than its factorization.

776072304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45327 (or 45318 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 776072304 is about 27858.0743053069. The cubic root of 776072304 is about 918.9687183843.

The spelling of 776072304 in words is "seven hundred seventy-six million, seventy-two thousand, three hundred four".