72263371 has 2 divisors, whose sum is σ = 72263372. Its totient is φ = 72263370.

The previous prime is 72263341. The next prime is 72263417. The reversal of 72263371 is 17336227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72263371 - 2⁵ = 72263339 is a prime.

It is not a weakly prime, because it can be changed into another prime (72263341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36131685 + 36131686.

It is an arithmetic number, because the mean of its divisors is an integer number (36131686).

Almost surely, 2^72263371 is an apocalyptic number.

72263371 is a deficient number, since it is larger than the sum of its proper divisors (1).

72263371 is an equidigital number, since it uses as much as digits as its factorization.

72263371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 72263371 is about 8500.7864930252. The cubic root of 72263371 is about 416.5234008432.

Adding to 72263371 its reverse (17336227), we get a palindrome (89599598).

The spelling of 72263371 in words is "seventy-two million, two hundred sixty-three thousand, three hundred seventy-one".