75404794 has 4 divisors (see below), whose sum is σ = 113107194. Its totient is φ = 37702396.

The previous prime is 75404767. The next prime is 75404821. The reversal of 75404794 is 49740457.

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

It is an interprime number because it is at equal distance from previous prime (75404767) and next prime (75404821).

It can be written as a sum of positive squares in only one way, i.e., 74183769 + 1221025 = 8613^2 + 1105^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18851197 + ... + 18851200.

Almost surely, 2^75404794 is an apocalyptic number.

75404794 is a deficient number, since it is larger than the sum of its proper divisors (37702400).

75404794 is a wasteful number, since it uses less digits than its factorization.

75404794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37702399.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 75404794 is about 8683.5933806230. The cubic root of 75404794 is about 422.4736750518.

The spelling of 75404794 in words is "seventy-five million, four hundred four thousand, seven hundred ninety-four".