72550867 has 2 divisors, whose sum is σ = 72550868. Its totient is φ = 72550866.

The previous prime is 72550783. The next prime is 72550871. The reversal of 72550867 is 76805527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72550867 - 2⁷ = 72550739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72550367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36275433 + 36275434.

It is an arithmetic number, because the mean of its divisors is an integer number (36275434).

Almost surely, 2^72550867 is an apocalyptic number.

72550867 is a deficient number, since it is larger than the sum of its proper divisors (1).

72550867 is an equidigital number, since it uses as much as digits as its factorization.

72550867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 72550867 is about 8517.6796723051. The cubic root of 72550867 is about 417.0750420380.

The spelling of 72550867 in words is "seventy-two million, five hundred fifty thousand, eight hundred sixty-seven".