74223494 has 4 divisors (see below), whose sum is σ = 111335244. Its totient is φ = 37111746.

The previous prime is 74223491. The next prime is 74223503. The reversal of 74223494 is 49432247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49432247 = 269 ⋅183763.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74223491) 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, 18555872 + ... + 18555875.

It is an arithmetic number, because the mean of its divisors is an integer number (27833811).

Almost surely, 2^74223494 is an apocalyptic number.

74223494 is a deficient number, since it is larger than the sum of its proper divisors (37111750).

74223494 is a wasteful number, since it uses less digits than its factorization.

74223494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37111749.

The product of its digits is 48384, while the sum is 35.

The square root of 74223494 is about 8615.3057984032. The cubic root of 74223494 is about 420.2558796023.

The spelling of 74223494 in words is "seventy-four million, two hundred twenty-three thousand, four hundred ninety-four".