76893533 has 4 divisors (see below), whose sum is σ = 81416700. Its totient is φ = 72370368.

The previous prime is 76893521. The next prime is 76893539. The reversal of 76893533 is 33539867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33539867 = 4129 ⋅8123.

It can be written as a sum of positive squares in 2 ways, for example, as 56580484 + 20313049 = 7522^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 76893533 - 2¹⁰ = 76892509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76893539) 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, 2261558 + ... + 2261591.

It is an arithmetic number, because the mean of its divisors is an integer number (20354175).

Almost surely, 2^76893533 is an apocalyptic number.

It is an amenable number.

76893533 is a deficient number, since it is larger than the sum of its proper divisors (4523167).

76893533 is a wasteful number, since it uses less digits than its factorization.

76893533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523166.

The product of its digits is 408240, while the sum is 44.

The square root of 76893533 is about 8768.8957685674. The cubic root of 76893533 is about 425.2359160784.

The spelling of 76893533 in words is "seventy-six million, eight hundred ninety-three thousand, five hundred thirty-three".