76324009 has 2 divisors, whose sum is σ = 76324010. Its totient is φ = 76324008.

The previous prime is 76323971. The next prime is 76324037. The reversal of 76324009 is 90042367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45765225 + 30558784 = 6765^2 + 5528^2 .

It is a cyclic number.

It is not a de Polignac number, because 76324009 - 2²¹ = 74226857 is a prime.

It is a super-3 number, since 3×76324009³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (76324069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38162004 + 38162005.

It is an arithmetic number, because the mean of its divisors is an integer number (38162005).

Almost surely, 2^76324009 is an apocalyptic number.

It is an amenable number.

76324009 is a deficient number, since it is larger than the sum of its proper divisors (1).

76324009 is an equidigital number, since it uses as much as digits as its factorization.

76324009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 76324009 is about 8736.3613134989. The cubic root of 76324009 is about 424.1834545656.

The spelling of 76324009 in words is "seventy-six million, three hundred twenty-four thousand, nine".