72522847 has 2 divisors, whose sum is σ = 72522848. Its totient is φ = 72522846.

The previous prime is 72522803. The next prime is 72522889. The reversal of 72522847 is 74822527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72522847 - 2⁷ = 72522719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72522647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36261423 + 36261424.

It is an arithmetic number, because the mean of its divisors is an integer number (36261424).

Almost surely, 2^72522847 is an apocalyptic number.

72522847 is a deficient number, since it is larger than the sum of its proper divisors (1).

72522847 is an equidigital number, since it uses as much as digits as its factorization.

72522847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 37.

The square root of 72522847 is about 8516.0346993187. The cubic root of 72522847 is about 417.0213420251.

The spelling of 72522847 in words is "seventy-two million, five hundred twenty-two thousand, eight hundred forty-seven".