76026989 has 4 divisors (see below), whose sum is σ = 76052124. Its totient is φ = 76001856.

The previous prime is 76026953. The next prime is 76026991. The reversal of 76026989 is 98962067.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98962067 = 641 ⋅154387.

It can be written as a sum of positive squares in 2 ways, for example, as 46812964 + 29214025 = 6842^2 + 5405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76026989 is a prime.

It is a super-2 number, since 2×76026989² = 11560206112812242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76026919) 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, 7292 + ... + 14325.

It is an arithmetic number, because the mean of its divisors is an integer number (19013031).

Almost surely, 2^76026989 is an apocalyptic number.

It is an amenable number.

76026989 is a deficient number, since it is larger than the sum of its proper divisors (25135).

76026989 is a wasteful number, since it uses less digits than its factorization.

76026989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25134.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 76026989 is about 8719.3456749919. The cubic root of 76026989 is about 423.6324931241.

The spelling of 76026989 in words is "seventy-six million, twenty-six thousand, nine hundred eighty-nine".