71572327 has 2 divisors, whose sum is σ = 71572328. Its totient is φ = 71572326.

The previous prime is 71572309. The next prime is 71572367. The reversal of 71572327 is 72327517.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71572327 - 2²³ = 63183719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71572292 and 71572301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71572307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35786163 + 35786164.

It is an arithmetic number, because the mean of its divisors is an integer number (35786164).

Almost surely, 2^71572327 is an apocalyptic number.

71572327 is a deficient number, since it is larger than the sum of its proper divisors (1).

71572327 is an equidigital number, since it uses as much as digits as its factorization.

71572327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 34.

The square root of 71572327 is about 8460.0429667940. The cubic root of 71572327 is about 415.1914285965.

The spelling of 71572327 in words is "seventy-one million, five hundred seventy-two thousand, three hundred twenty-seven".