76325809 has 4 divisors (see below), whose sum is σ = 87229504. Its totient is φ = 65422116.

The previous prime is 76325803. The next prime is 76325827. The reversal of 76325809 is 90852367.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90852367 = 439 ⋅206953.

It is a cyclic number.

It is not a de Polignac number, because 76325809 - 2⁷ = 76325681 is a prime.

It is a super-3 number, since 3×76325809³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76325803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5451837 + ... + 5451850.

It is an arithmetic number, because the mean of its divisors is an integer number (21807376).

Almost surely, 2^76325809 is an apocalyptic number.

It is an amenable number.

76325809 is a deficient number, since it is larger than the sum of its proper divisors (10903695).

76325809 is a wasteful number, since it uses less digits than its factorization.

76325809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903694.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 76325809 is about 8736.4643306088. The cubic root of 76325809 is about 424.1867891398.

The spelling of 76325809 in words is "seventy-six million, three hundred twenty-five thousand, eight hundred nine".