76081689 has 12 divisors (see below), whose sum is σ = 110075056. Its totient is φ = 50638392.

The previous prime is 76081679. The next prime is 76081699. The reversal of 76081689 is 98618067.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76081679) and next prime (76081699).

It is not a de Polignac number, because 76081689 - 2⁸ = 76081433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76081619) 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 11 ways as a sum of consecutive naturals, for example, 787 + ... + 12360.

Almost surely, 2^76081689 is an apocalyptic number.

It is an amenable number.

76081689 is a deficient number, since it is larger than the sum of its proper divisors (33993367).

76081689 is a wasteful number, since it uses less digits than its factorization.

76081689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796 (or 13793 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 76081689 is about 8722.4818142545. The cubic root of 76081689 is about 423.7340673259.

The spelling of 76081689 in words is "seventy-six million, eighty-one thousand, six hundred eighty-nine".