72246286 has 12 divisors (see below), whose sum is σ = 126062568. Its totient is φ = 30962652.

The previous prime is 72246283. The next prime is 72246299. The reversal of 72246286 is 68264227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72246281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368506 + ... + 368701.

It is an arithmetic number, because the mean of its divisors is an integer number (10505214).

Almost surely, 2^72246286 is an apocalyptic number.

72246286 is a deficient number, since it is larger than the sum of its proper divisors (53816282).

72246286 is a wasteful number, since it uses less digits than its factorization.

72246286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737223 (or 737216 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 72246286 is about 8499.7815266041. The cubic root of 72246286 is about 416.4905724863.

The spelling of 72246286 in words is "seventy-two million, two hundred forty-six thousand, two hundred eighty-six".