72206041 has 8 divisors (see below), whose sum is σ = 72793224. Its totient is φ = 71621760.

The previous prime is 72206033. The next prime is 72206059. The reversal of 72206041 is 14060227.

It can be written as a sum of positive squares in 4 ways, for example, as 47554816 + 24651225 = 6896^2 + 4965^2 .

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 72206041 - 2³ = 72206033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72206081) 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, 81895 + ... + 82771.

It is an arithmetic number, because the mean of its divisors is an integer number (9099153).

Almost surely, 2^72206041 is an apocalyptic number.

It is an amenable number.

72206041 is a deficient number, since it is larger than the sum of its proper divisors (587183).

72206041 is a wasteful number, since it uses less digits than its factorization.

72206041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

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

The square root of 72206041 is about 8497.4137830283. The cubic root of 72206041 is about 416.4132223674.

Adding to 72206041 its reverse (14060227), we get a palindrome (86266268).

The spelling of 72206041 in words is "seventy-two million, two hundred six thousand, forty-one".