73972222 has 8 divisors (see below), whose sum is σ = 111456576. Its totient is φ = 36820032.

The previous prime is 73972207. The next prime is 73972247. The reversal of 73972222 is 22227937.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82483 + ... + 83374.

It is an arithmetic number, because the mean of its divisors is an integer number (13932072).

Almost surely, 2^73972222 is an apocalyptic number.

73972222 is a deficient number, since it is larger than the sum of its proper divisors (37484354).

73972222 is a wasteful number, since it uses less digits than its factorization.

73972222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166082.

The product of its digits is 21168, while the sum is 34.

The square root of 73972222 is about 8600.7105520416. The cubic root of 73972222 is about 419.7811066487.

The spelling of 73972222 in words is "seventy-three million, nine hundred seventy-two thousand, two hundred twenty-two".