72826571 has 2 divisors, whose sum is σ = 72826572. Its totient is φ = 72826570.

The previous prime is 72826561. The next prime is 72826573. The reversal of 72826571 is 17562827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72826571 - 2¹⁰ = 72825547 is a prime.

Together with 72826573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72826573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36413285 + 36413286.

It is an arithmetic number, because the mean of its divisors is an integer number (36413286).

Almost surely, 2^72826571 is an apocalyptic number.

72826571 is a deficient number, since it is larger than the sum of its proper divisors (1).

72826571 is an equidigital number, since it uses as much as digits as its factorization.

72826571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 38.

The square root of 72826571 is about 8533.8485456446. The cubic root of 72826571 is about 417.6026897889.

The spelling of 72826571 in words is "seventy-two million, eight hundred twenty-six thousand, five hundred seventy-one".