76134439 has 4 divisors (see below), whose sum is σ = 79444656. Its totient is φ = 72824224.

The previous prime is 76134437. The next prime is 76134491. The reversal of 76134439 is 93443167.

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

It is a cyclic number.

It is not a de Polignac number, because 76134439 - 2¹ = 76134437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76134398 and 76134407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76134437) 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, 1655074 + ... + 1655119.

It is an arithmetic number, because the mean of its divisors is an integer number (19861164).

Almost surely, 2^76134439 is an apocalyptic number.

76134439 is a deficient number, since it is larger than the sum of its proper divisors (3310217).

76134439 is a wasteful number, since it uses less digits than its factorization.

76134439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310216.

The product of its digits is 54432, while the sum is 37.

The square root of 76134439 is about 8725.5050856670. The cubic root of 76134439 is about 423.8319744068.

The spelling of 76134439 in words is "seventy-six million, one hundred thirty-four thousand, four hundred thirty-nine".