76496989 has 4 divisors (see below), whose sum is σ = 77751100. Its totient is φ = 75242880.

The previous prime is 76496951. The next prime is 76496999. The reversal of 76496989 is 98969467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98969467 = 4673 ⋅21179.

It can be written as a sum of positive squares in 2 ways, for example, as 1102500 + 75394489 = 1050^2 + 8683^2 .

It is a cyclic number.

It is not a de Polignac number, because 76496989 - 2⁹ = 76496477 is a prime.

It is a super-2 number, since 2×76496989² = 11703578652132242, 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 (76496999) 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, 626964 + ... + 627085.

It is an arithmetic number, because the mean of its divisors is an integer number (19437775).

Almost surely, 2^76496989 is an apocalyptic number.

It is an amenable number.

76496989 is a deficient number, since it is larger than the sum of its proper divisors (1254111).

76496989 is a wasteful number, since it uses less digits than its factorization.

76496989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254110.

The product of its digits is 5878656, while the sum is 58.

The square root of 76496989 is about 8746.2557131609. The cubic root of 76496989 is about 424.5036678785.

The spelling of 76496989 in words is "seventy-six million, four hundred ninety-six thousand, nine hundred eighty-nine".