72201112 has 8 divisors (see below), whose sum is σ = 135377100. Its totient is φ = 36100552.

The previous prime is 72201109. The next prime is 72201131. The reversal of 72201112 is 21110227.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4512562 + ... + 4512577.

Almost surely, 2^72201112 is an apocalyptic number.

It is an amenable number.

72201112 is a deficient number, since it is larger than the sum of its proper divisors (63175988).

72201112 is a wasteful number, since it uses less digits than its factorization.

72201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025145 (or 9025141 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 72201112 is about 8497.1237486575. The cubic root of 72201112 is about 416.4037469484.

Adding to 72201112 its reverse (21110227), we get a palindrome (93311339).

The spelling of 72201112 in words is "seventy-two million, two hundred one thousand, one hundred twelve".