72653341 has 2 divisors, whose sum is σ = 72653342. Its totient is φ = 72653340.

The previous prime is 72653327. The next prime is 72653351. The reversal of 72653341 is 14335627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46172025 + 26481316 = 6795^2 + 5146^2 .

It is an emirp because it is prime and its reverse (14335627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72653341 - 2¹⁵ = 72620573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72653351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36326670 + 36326671.

It is an arithmetic number, because the mean of its divisors is an integer number (36326671).

Almost surely, 2^72653341 is an apocalyptic number.

It is an amenable number.

72653341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72653341 is an equidigital number, since it uses as much as digits as its factorization.

72653341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 72653341 is about 8523.6929203251. The cubic root of 72653341 is about 417.2713146353.

Adding to 72653341 its reverse (14335627), we get a palindrome (86988968).

The spelling of 72653341 in words is "seventy-two million, six hundred fifty-three thousand, three hundred forty-one".