75494590 has 8 divisors (see below), whose sum is σ = 135890280. Its totient is φ = 30197832.

The previous prime is 75494561. The next prime is 75494593. The reversal of 75494590 is 9549457.

It is a happy number.

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 (75494593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3774720 + ... + 3774739.

It is an arithmetic number, because the mean of its divisors is an integer number (16986285).

Almost surely, 2^75494590 is an apocalyptic number.

75494590 is a deficient number, since it is larger than the sum of its proper divisors (60395690).

75494590 is a wasteful number, since it uses less digits than its factorization.

75494590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549466.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 75494590 is about 8688.7622823967. The cubic root of 75494590 is about 422.6413098274.

The spelling of 75494590 in words is "seventy-five million, four hundred ninety-four thousand, five hundred ninety".