76326109 has 4 divisors (see below), whose sum is σ = 76344604. Its totient is φ = 76307616.

The previous prime is 76326031. The next prime is 76326113. The reversal of 76326109 is 90162367.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28922884 + 47403225 = 5378^2 + 6885^2 .

It is a cyclic number.

It is not a de Polignac number, because 76326109 - 2⁷ = 76325981 is a prime.

It is a super-3 number, since 3×76326109³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76326139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (19086151).

Almost surely, 2^76326109 is an apocalyptic number.

It is an amenable number.

76326109 is a deficient number, since it is larger than the sum of its proper divisors (18495).

76326109 is a wasteful number, since it uses less digits than its factorization.

76326109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18494.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 76326109 is about 8736.4815000090. The cubic root of 76326109 is about 424.1873448970.

The spelling of 76326109 in words is "seventy-six million, three hundred twenty-six thousand, one hundred nine".