76073491066 has 4 divisors (see below), whose sum is σ = 114110236602. Its totient is φ = 38036745532.

The previous prime is 76073491027. The next prime is 76073491171. The reversal of 76073491066 is 66019437067.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 69153746841 + 6919744225 = 262971^2 + 83185^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19018372765 + ... + 19018372768.

Almost surely, 2^76073491066 is an apocalyptic number.

76073491066 is a deficient number, since it is larger than the sum of its proper divisors (38036745536).

76073491066 is a wasteful number, since it uses less digits than its factorization.

76073491066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38036745535.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 76073491066 in words is "seventy-six billion, seventy-three million, four hundred ninety-one thousand, sixty-six".