74442574 has 8 divisors (see below), whose sum is σ = 112543488. Its totient is φ = 36928080.

The previous prime is 74442539. The next prime is 74442583. The reversal of 74442574 is 47524447.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146287 + ... + 146794.

It is an arithmetic number, because the mean of its divisors is an integer number (14067936).

Almost surely, 2^74442574 is an apocalyptic number.

74442574 is a deficient number, since it is larger than the sum of its proper divisors (38100914).

74442574 is a wasteful number, since it uses less digits than its factorization.

74442574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293210.

The product of its digits is 125440, while the sum is 37.

The square root of 74442574 is about 8628.0110106559. The cubic root of 74442574 is about 420.6689528595.

The spelling of 74442574 in words is "seventy-four million, four hundred forty-two thousand, five hundred seventy-four".