72201406 has 8 divisors (see below), whose sum is σ = 114002280. Its totient is φ = 34200648.

The previous prime is 72201403. The next prime is 72201407. The reversal of 72201406 is 60410227.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72201401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949981 + ... + 950056.

It is an arithmetic number, because the mean of its divisors is an integer number (14250285).

Almost surely, 2^72201406 is an apocalyptic number.

72201406 is a deficient number, since it is larger than the sum of its proper divisors (41800874).

72201406 is a wasteful number, since it uses less digits than its factorization.

72201406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900058.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 72201406 is about 8497.1410486116. The cubic root of 72201406 is about 416.4043121407.

The spelling of 72201406 in words is "seventy-two million, two hundred one thousand, four hundred six".