76006989 has 12 divisors (see below), whose sum is σ = 112466172. Its totient is φ = 49435200.

The previous prime is 76006981. The next prime is 76006993. The reversal of 76006989 is 98960067.

It can be written as a sum of positive squares in 2 ways, for example, as 36505764 + 39501225 = 6042^2 + 6285^2 .

It is not a de Polignac number, because 76006989 - 2³ = 76006981 is a prime.

It is a super-2 number, since 2×76006989² = 11554124753692242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76006981) 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 11 ways as a sum of consecutive naturals, for example, 102622 + ... + 103359.

It is an arithmetic number, because the mean of its divisors is an integer number (9372181).

Almost surely, 2^76006989 is an apocalyptic number.

It is an amenable number.

76006989 is a deficient number, since it is larger than the sum of its proper divisors (36459183).

76006989 is a wasteful number, since it uses less digits than its factorization.

76006989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206028 (or 206025 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 76006989 is about 8718.1987245073. The cubic root of 76006989 is about 423.5953423130.

The spelling of 76006989 in words is "seventy-six million, six thousand, nine hundred eighty-nine".