74193794 has 4 divisors (see below), whose sum is σ = 111290694. Its totient is φ = 37096896.

The previous prime is 74193761. The next prime is 74193809. The reversal of 74193794 is 49739147.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49739147 = 29 ⋅1715143.

It can be written as a sum of positive squares in only one way, i.e., 41280625 + 32913169 = 6425^2 + 5737^2 .

It is a super-2 number, since 2×74193794² = 11009438136228872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18548447 + ... + 18548450.

Almost surely, 2^74193794 is an apocalyptic number.

74193794 is a deficient number, since it is larger than the sum of its proper divisors (37096900).

74193794 is a wasteful number, since it uses less digits than its factorization.

74193794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37096899.

The product of its digits is 190512, while the sum is 44.

The square root of 74193794 is about 8613.5819494563. The cubic root of 74193794 is about 420.1998179964.

The spelling of 74193794 in words is "seventy-four million, one hundred ninety-three thousand, seven hundred ninety-four".