76993193 has 4 divisors (see below), whose sum is σ = 77038020. Its totient is φ = 76948368.

The previous prime is 76993159. The next prime is 76993201. The reversal of 76993193 is 39139967.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33327529 + 43665664 = 5773^2 + 6608^2 .

It is a cyclic number.

It is not a de Polignac number, because 76993193 - 2¹⁰ = 76992169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76993123) 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 3 ways as a sum of consecutive naturals, for example, 19730 + ... + 23307.

It is an arithmetic number, because the mean of its divisors is an integer number (19259505).

Almost surely, 2^76993193 is an apocalyptic number.

It is an amenable number.

76993193 is a deficient number, since it is larger than the sum of its proper divisors (44827).

76993193 is a wasteful number, since it uses less digits than its factorization.

76993193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44826.

The product of its digits is 275562, while the sum is 47.

The square root of 76993193 is about 8774.5765139977. The cubic root of 76993193 is about 425.4195497082.

The spelling of 76993193 in words is "seventy-six million, nine hundred ninety-three thousand, one hundred ninety-three".