73997222 has 16 divisors (see below), whose sum is σ = 121791600. Its totient is φ = 33507552.

The previous prime is 73997207. The next prime is 73997237. The reversal of 73997222 is 22279937.

It is an interprime number because it is at equal distance from previous prime (73997207) and next prime (73997237).

It is a self number, because there is not a number n which added to its sum of digits gives 73997222.

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, 25472 + ... + 28227.

It is an arithmetic number, because the mean of its divisors is an integer number (7611975).

Almost surely, 2^73997222 is an apocalyptic number.

73997222 is a deficient number, since it is larger than the sum of its proper divisors (47794378).

73997222 is a wasteful number, since it uses less digits than its factorization.

73997222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53767.

The product of its digits is 95256, while the sum is 41.

The square root of 73997222 is about 8602.1637975570. The cubic root of 73997222 is about 419.8283917211.

The spelling of 73997222 in words is "seventy-three million, nine hundred ninety-seven thousand, two hundred twenty-two".