76380393 has 4 divisors (see below), whose sum is σ = 101840528. Its totient is φ = 50920260.

The previous prime is 76380391. The next prime is 76380443. The reversal of 76380393 is 39308367.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 76380393 - 2¹ = 76380391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76380391) 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, 12730063 + ... + 12730068.

It is an arithmetic number, because the mean of its divisors is an integer number (25460132).

Almost surely, 2^76380393 is an apocalyptic number.

It is an amenable number.

76380393 is a deficient number, since it is larger than the sum of its proper divisors (25460135).

76380393 is a wasteful number, since it uses less digits than its factorization.

76380393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25460134.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 76380393 is about 8739.5876905035. The cubic root of 76380393 is about 424.2878833601.

The spelling of 76380393 in words is "seventy-six million, three hundred eighty thousand, three hundred ninety-three".