74294426 has 4 divisors (see below), whose sum is σ = 111441642. Its totient is φ = 37147212.

The previous prime is 74294371. The next prime is 74294443. The reversal of 74294426 is 62449247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62449247 = 7 ⋅8921321.

It can be written as a sum of positive squares in only one way, i.e., 44209201 + 30085225 = 6649^2 + 5485^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74294426.

It is an unprimeable number.

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, 18573605 + ... + 18573608.

Almost surely, 2^74294426 is an apocalyptic number.

74294426 is a deficient number, since it is larger than the sum of its proper divisors (37147216).

74294426 is a wasteful number, since it uses less digits than its factorization.

74294426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37147215.

The product of its digits is 96768, while the sum is 38.

The square root of 74294426 is about 8619.4214423011. The cubic root of 74294426 is about 420.3897100900.

The spelling of 74294426 in words is "seventy-four million, two hundred ninety-four thousand, four hundred twenty-six".