74454242 has 8 divisors (see below), whose sum is σ = 114278736. Its totient is φ = 36361332.

The previous prime is 74454227. The next prime is 74454253. The reversal of 74454242 is 24245447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74454199 and 74454208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432788 + ... + 432959.

It is an arithmetic number, because the mean of its divisors is an integer number (14284842).

Almost surely, 2^74454242 is an apocalyptic number.

74454242 is a deficient number, since it is larger than the sum of its proper divisors (39824494).

74454242 is a wasteful number, since it uses less digits than its factorization.

74454242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865792.

The product of its digits is 35840, while the sum is 32.

The square root of 74454242 is about 8628.6871539070. The cubic root of 74454242 is about 420.6909300188.

Adding to 74454242 its reverse (24245447), we get a palindrome (98699689).

The spelling of 74454242 in words is "seventy-four million, four hundred fifty-four thousand, two hundred forty-two".