76667438 has 4 divisors (see below), whose sum is σ = 115001160. Its totient is φ = 38333718.

The previous prime is 76667431. The next prime is 76667453. The reversal of 76667438 is 83476667.

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

It is a junction number, because it is equal to n+sod(n) for n = 76667392 and 76667401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76667431) 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 as a sum of consecutive naturals, namely, 19166858 + ... + 19166861.

It is an arithmetic number, because the mean of its divisors is an integer number (28750290).

Almost surely, 2^76667438 is an apocalyptic number.

76667438 is a deficient number, since it is larger than the sum of its proper divisors (38333722).

76667438 is a wasteful number, since it uses less digits than its factorization.

76667438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38333721.

The product of its digits is 1016064, while the sum is 47.

The square root of 76667438 is about 8755.9944038356. The cubic root of 76667438 is about 424.8187240752.

The spelling of 76667438 in words is "seventy-six million, six hundred sixty-seven thousand, four hundred thirty-eight".