76384474 has 4 divisors (see below), whose sum is σ = 114576714. Its totient is φ = 38192236.

The previous prime is 76384471. The next prime is 76384481. The reversal of 76384474 is 47448367.

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., 49603849 + 26780625 = 7043^2 + 5175^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76384474.

It is not an unprimeable number, because it can be changed into a prime (76384471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19096117 + ... + 19096120.

Almost surely, 2^76384474 is an apocalyptic number.

76384474 is a deficient number, since it is larger than the sum of its proper divisors (38192240).

76384474 is a wasteful number, since it uses less digits than its factorization.

76384474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38192239.

The product of its digits is 451584, while the sum is 43.

The square root of 76384474 is about 8739.8211652184. The cubic root of 76384474 is about 424.2954397845.

The spelling of 76384474 in words is "seventy-six million, three hundred eighty-four thousand, four hundred seventy-four".