72203241 has 24 divisors (see below), whose sum is σ = 106293600. Its totient is φ = 43563520.

The previous prime is 72203239. The next prime is 72203251. The reversal of 72203241 is 14230227.

It is not a de Polignac number, because 72203241 - 2¹ = 72203239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72203221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160585 + ... + 161033.

It is an arithmetic number, because the mean of its divisors is an integer number (4428900).

Almost surely, 2^72203241 is an apocalyptic number.

It is an amenable number.

72203241 is a deficient number, since it is larger than the sum of its proper divisors (34090359).

72203241 is a wasteful number, since it uses less digits than its factorization.

72203241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 72203241 is about 8497.2490254199. The cubic root of 72203241 is about 416.4078397518.

Adding to 72203241 its reverse (14230227), we get a palindrome (86433468).

The spelling of 72203241 in words is "seventy-two million, two hundred three thousand, two hundred forty-one".