76320609 has 8 divisors (see below), whose sum is σ = 101895552. Its totient is φ = 50813040.

The previous prime is 76320581. The next prime is 76320613. The reversal of 76320609 is 90602367.

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

It is not a de Polignac number, because 76320609 - 2¹⁹ = 75796321 is a prime.

It is a super-3 number, since 3×76320609³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76320609.

It is not an unprimeable number, because it can be changed into a prime (76320659) 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, 14137 + ... + 18774.

It is an arithmetic number, because the mean of its divisors is an integer number (12736944).

Almost surely, 2^76320609 is an apocalyptic number.

It is an amenable number.

76320609 is a deficient number, since it is larger than the sum of its proper divisors (25574943).

76320609 is a wasteful number, since it uses less digits than its factorization.

76320609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33687.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 76320609 is about 8736.1667223102. The cubic root of 76320609 is about 424.1771557823.

The spelling of 76320609 in words is "seventy-six million, three hundred twenty thousand, six hundred nine".