76378906 has 8 divisors (see below), whose sum is σ = 119549664. Its totient is φ = 36529020.

The previous prime is 76378877. The next prime is 76378919. The reversal of 76378906 is 60987367.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 1660411 = 76378906 / (7 + 6 + 3 + 7 + 8 + 9 + 0 + 6).

It is an unprimeable number.

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, 830160 + ... + 830251.

It is an arithmetic number, because the mean of its divisors is an integer number (14943708).

Almost surely, 2^76378906 is an apocalyptic number.

76378906 is a deficient number, since it is larger than the sum of its proper divisors (43170758).

76378906 is a wasteful number, since it uses less digits than its factorization.

76378906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660436.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 76378906 is about 8739.5026174262. The cubic root of 76378906 is about 424.2851299476.

It can be divided in two parts, 76378 and 906, that added together give a square (77284 = 278²).

The spelling of 76378906 in words is "seventy-six million, three hundred seventy-eight thousand, nine hundred six".