72248043 has 16 divisors (see below), whose sum is σ = 111737600. Its totient is φ = 40667616.

The previous prime is 72248039. The next prime is 72248047. The reversal of 72248043 is 34084227.

It is an interprime number because it is at equal distance from previous prime (72248039) and next prime (72248047).

It is not a de Polignac number, because 72248043 - 2² = 72248039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72248043.

It is not an unprimeable number, because it can be changed into a prime (72248047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24268 + ... + 27081.

It is an arithmetic number, because the mean of its divisors is an integer number (6983600).

Almost surely, 2^72248043 is an apocalyptic number.

72248043 is a deficient number, since it is larger than the sum of its proper divisors (39489557).

72248043 is a wasteful number, since it uses less digits than its factorization.

72248043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51426.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 72248043 is about 8499.8848815734. The cubic root of 72248043 is about 416.4939487521.

The spelling of 72248043 in words is "seventy-two million, two hundred forty-eight thousand, forty-three".