72232603 has 2 divisors, whose sum is σ = 72232604. Its totient is φ = 72232602.

The previous prime is 72232577. The next prime is 72232613. The reversal of 72232603 is 30623227.

It is a strong prime.

It is an emirp because it is prime and its reverse (30623227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72232603 is a prime.

It is equal to p_4241662 and since 72232603 and 4241662 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (72232613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36116301 + 36116302.

It is an arithmetic number, because the mean of its divisors is an integer number (36116302).

Almost surely, 2^72232603 is an apocalyptic number.

72232603 is a deficient number, since it is larger than the sum of its proper divisors (1).

72232603 is an equidigital number, since it uses as much as digits as its factorization.

72232603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72232603 is about 8498.9765854484. The cubic root of 72232603 is about 416.4642772461.

The spelling of 72232603 in words is "seventy-two million, two hundred thirty-two thousand, six hundred three".