76328829 has 6 divisors (see below), whose sum is σ = 110252766. Its totient is φ = 50885880.

The previous prime is 76328821. The next prime is 76328869. The reversal of 76328829 is 92882367.

76328829 is a `hidden beast` number, since 7 + 632 + 8 + 8 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75168900 + 1159929 = 8670^2 + 1077^2 .

It is not a de Polignac number, because 76328829 - 2³ = 76328821 is a prime.

It is a super-2 number, since 2×76328829² = 11652180273022482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76328821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4240482 + ... + 4240499.

It is an arithmetic number, because the mean of its divisors is an integer number (18375461).

Almost surely, 2^76328829 is an apocalyptic number.

It is an amenable number.

76328829 is a deficient number, since it is larger than the sum of its proper divisors (33923937).

76328829 is a wasteful number, since it uses less digits than its factorization.

76328829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480987 (or 8480984 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 76328829 is about 8736.6371676979. The cubic root of 76328829 is about 424.1923836965.

It can be divided in two parts, 7632 and 8829, that added together give a palindrome (16461).

The spelling of 76328829 in words is "seventy-six million, three hundred twenty-eight thousand, eight hundred twenty-nine".