769821324 has 24 divisors (see below), whose sum is σ = 1798313328. Its totient is φ = 256312320.

The previous prime is 769821317. The next prime is 769821331. The reversal of 769821324 is 423128967.

It is an interprime number because it is at equal distance from previous prime (769821317) and next prime (769821331).

It is a super-2 number, since 2×769821324² = 1185249741770225952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25837 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (74929722).

Almost surely, 2^769821324 is an apocalyptic number.

It is an amenable number.

769821324 is an abundant number, since it is smaller than the sum of its proper divisors (1028492004).

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

769821324 is a wasteful number, since it uses less digits than its factorization.

769821324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73705 (or 73703 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 769821324 is about 27745.6541461902. The cubic root of 769821324 is about 916.4947445879.

The spelling of 769821324 in words is "seven hundred sixty-nine million, eight hundred twenty-one thousand, three hundred twenty-four".