75487894 has 8 divisors (see below), whose sum is σ = 113442768. Its totient is φ = 37673640.

The previous prime is 75487891. The next prime is 75487901. The reversal of 75487894 is 49878457.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75487891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33802 + ... + 35965.

It is an arithmetic number, because the mean of its divisors is an integer number (14180346).

Almost surely, 2^75487894 is an apocalyptic number.

75487894 is a deficient number, since it is larger than the sum of its proper divisors (37954874).

75487894 is a wasteful number, since it uses less digits than its factorization.

75487894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70310.

The product of its digits is 2257920, while the sum is 52.

The square root of 75487894 is about 8688.3769485445. The cubic root of 75487894 is about 422.6288140540.

The spelling of 75487894 in words is "seventy-five million, four hundred eighty-seven thousand, eight hundred ninety-four".