75386668 has 24 divisors (see below), whose sum is σ = 155638784. Its totient is φ = 31266000.

The previous prime is 75386629. The next prime is 75386669. The reversal of 75386668 is 86668357.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75386669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42558 + ... + 44293.

Almost surely, 2^75386668 is an apocalyptic number.

It is an amenable number.

75386668 is an abundant number, since it is smaller than the sum of its proper divisors (80252116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75386668 is a wasteful number, since it uses less digits than its factorization.

75386668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86893 (or 86891 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 75386668 is about 8682.5496255420. The cubic root of 75386668 is about 422.4398205663.

The spelling of 75386668 in words is "seventy-five million, three hundred eighty-six thousand, six hundred sixty-eight".