71322007 has 2 divisors, whose sum is σ = 71322008. Its totient is φ = 71322006.

The previous prime is 71321963. The next prime is 71322061. The reversal of 71322007 is 70022317.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71322007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71326007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35661003 + 35661004.

It is an arithmetic number, because the mean of its divisors is an integer number (35661004).

Almost surely, 2^71322007 is an apocalyptic number.

71322007 is a deficient number, since it is larger than the sum of its proper divisors (1).

71322007 is an equidigital number, since it uses as much as digits as its factorization.

71322007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 71322007 is about 8445.2357575144. The cubic root of 71322007 is about 414.7068273425.

The spelling of 71322007 in words is "seventy-one million, three hundred twenty-two thousand, seven".