76324399 has 8 divisors (see below), whose sum is σ = 78365232. Its totient is φ = 74305920.

The previous prime is 76324363. The next prime is 76324421. The reversal of 76324399 is 99342367.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76324399 - 2⁹ = 76323887 is a prime.

It is a super-3 number, since 3×76324399³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76324499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447 + ... + 12439.

It is an arithmetic number, because the mean of its divisors is an integer number (9795654).

Almost surely, 2^76324399 is an apocalyptic number.

76324399 is a deficient number, since it is larger than the sum of its proper divisors (2040833).

76324399 is a wasteful number, since it uses less digits than its factorization.

76324399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177.

The product of its digits is 244944, while the sum is 43.

The square root of 76324399 is about 8736.3836339758. The cubic root of 76324399 is about 424.1841770611.

The spelling of 76324399 in words is "seventy-six million, three hundred twenty-four thousand, three hundred ninety-nine".