74254066 has 4 divisors (see below), whose sum is σ = 111381102. Its totient is φ = 37127032.

The previous prime is 74254027. The next prime is 74254069. The reversal of 74254066 is 66045247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66045247 = 1361 ⋅48527.

It can be written as a sum of positive squares in only one way, i.e., 53597041 + 20657025 = 7321^2 + 4545^2 .

It is not an unprimeable number, because it can be changed into a prime (74254069) 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, 18563515 + ... + 18563518.

Almost surely, 2^74254066 is an apocalyptic number.

74254066 is a deficient number, since it is larger than the sum of its proper divisors (37127036).

74254066 is a wasteful number, since it uses less digits than its factorization.

74254066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37127035.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 74254066 is about 8617.0798998269. The cubic root of 74254066 is about 420.3135715740.

The spelling of 74254066 in words is "seventy-four million, two hundred fifty-four thousand, sixty-six".