76040689 has 8 divisors (see below), whose sum is σ = 78376320. Its totient is φ = 73735056.

The previous prime is 76040681. The next prime is 76040707. The reversal of 76040689 is 98604067.

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

It is a cyclic number.

It is not a de Polignac number, because 76040689 - 2³ = 76040681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76040681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299 + ... + 12544.

It is an arithmetic number, because the mean of its divisors is an integer number (9797040).

Almost surely, 2^76040689 is an apocalyptic number.

It is an amenable number.

76040689 is a deficient number, since it is larger than the sum of its proper divisors (2335631).

76040689 is a wasteful number, since it uses less digits than its factorization.

76040689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14999.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 76040689 is about 8720.1312490123. The cubic root of 76040689 is about 423.6579376698.

It can be divided in two parts, 76040 and 689, that added together give a square (76729 = 277²).

The spelling of 76040689 in words is "seventy-six million, forty thousand, six hundred eighty-nine".