72526243 has 2 divisors, whose sum is σ = 72526244. Its totient is φ = 72526242.

The previous prime is 72526241. The next prime is 72526261. The reversal of 72526243 is 34262527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72526243 - 2¹ = 72526241 is a prime.

Together with 72526241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72526241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36263121 + 36263122.

It is an arithmetic number, because the mean of its divisors is an integer number (36263122).

Almost surely, 2^72526243 is an apocalyptic number.

72526243 is a deficient number, since it is larger than the sum of its proper divisors (1).

72526243 is an equidigital number, since it uses as much as digits as its factorization.

72526243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 72526243 is about 8516.2340855568. The cubic root of 72526243 is about 417.0278511571.

The spelling of 72526243 in words is "seventy-two million, five hundred twenty-six thousand, two hundred forty-three".