74221814 has 16 divisors (see below), whose sum is σ = 112492800. Its totient is φ = 36726504.

The previous prime is 74221799. The next prime is 74221841. The reversal of 74221814 is 41812247.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 119597 + ... + 120215.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^74221814 is an apocalyptic number.

74221814 is a deficient number, since it is larger than the sum of its proper divisors (38270986).

74221814 is a wasteful number, since it uses less digits than its factorization.

74221814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its digits is 3584, while the sum is 29.

The square root of 74221814 is about 8615.2082969595. The cubic root of 74221814 is about 420.2527088398.

The spelling of 74221814 in words is "seventy-four million, two hundred twenty-one thousand, eight hundred fourteen".