72263341 has 2 divisors, whose sum is σ = 72263342. Its totient is φ = 72263340.

The previous prime is 72263339. The next prime is 72263371. The reversal of 72263341 is 14336227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 31877316 = 6355^2 + 5646^2 .

It is an emirp because it is prime and its reverse (14336227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72263341 - 2¹ = 72263339 is a prime.

Together with 72263339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72263371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36131670 + 36131671.

It is an arithmetic number, because the mean of its divisors is an integer number (36131671).

Almost surely, 2^72263341 is an apocalyptic number.

It is an amenable number.

72263341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72263341 is an equidigital number, since it uses as much as digits as its factorization.

72263341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 72263341 is about 8500.7847284824. The cubic root of 72263341 is about 416.5233432036.

Adding to 72263341 its reverse (14336227), we get a palindrome (86599568).

The spelling of 72263341 in words is "seventy-two million, two hundred sixty-three thousand, three hundred forty-one".