75468994 has 4 divisors (see below), whose sum is σ = 113203494. Its totient is φ = 37734496.

The previous prime is 75468989. The next prime is 75468997. The reversal of 75468994 is 49986457.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68641225 + 6827769 = 8285^2 + 2613^2 .

It is not an unprimeable number, because it can be changed into a prime (75468997) by changing a digit.

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 as a sum of consecutive naturals, namely, 18867247 + ... + 18867250.

Almost surely, 2^75468994 is an apocalyptic number.

75468994 is a deficient number, since it is larger than the sum of its proper divisors (37734500).

75468994 is a wasteful number, since it uses less digits than its factorization.

75468994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734499.

The product of its digits is 2177280, while the sum is 52.

The square root of 75468994 is about 8687.2892204646. The cubic root of 75468994 is about 422.5935397387.

The spelling of 75468994 in words is "seventy-five million, four hundred sixty-eight thousand, nine hundred ninety-four".