75668378 has 8 divisors (see below), whose sum is σ = 114396672. Its totient is φ = 37536156.

The previous prime is 75668371. The next prime is 75668389. The reversal of 75668378 is 87386657.

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

It is not an unprimeable number, because it can be changed into a prime (75668371) 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, 148700 + ... + 149207.

It is an arithmetic number, because the mean of its divisors is an integer number (14299584).

Almost surely, 2^75668378 is an apocalyptic number.

75668378 is a deficient number, since it is larger than the sum of its proper divisors (38728294).

75668378 is a wasteful number, since it uses less digits than its factorization.

75668378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298036.

The product of its digits is 1693440, while the sum is 50.

The square root of 75668378 is about 8698.7572675641. The cubic root of 75668378 is about 422.9653670412.

The spelling of 75668378 in words is "seventy-five million, six hundred sixty-eight thousand, three hundred seventy-eight".