72246013 has 8 divisors (see below), whose sum is σ = 86156928. Its totient is φ = 59232624.

The previous prime is 72245993. The next prime is 72246019. The reversal of 72246013 is 31064227.

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

It is a cyclic number.

It is not a de Polignac number, because 72246013 - 2⁵ = 72245981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72246019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224206 + ... + 224527.

It is an arithmetic number, because the mean of its divisors is an integer number (10769616).

Almost surely, 2^72246013 is an apocalyptic number.

It is an amenable number.

72246013 is a deficient number, since it is larger than the sum of its proper divisors (13910915).

72246013 is a wasteful number, since it uses less digits than its factorization.

72246013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448763.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 72246013 is about 8499.7654673526. The cubic root of 72246013 is about 416.4900478823.

The spelling of 72246013 in words is "seventy-two million, two hundred forty-six thousand, thirteen".