71616007 has 2 divisors, whose sum is σ = 71616008. Its totient is φ = 71616006.

The previous prime is 71615989. The next prime is 71616011. The reversal of 71616007 is 70061617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71616007 - 2¹¹ = 71613959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71616037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35808003 + 35808004.

It is an arithmetic number, because the mean of its divisors is an integer number (35808004).

Almost surely, 2^71616007 is an apocalyptic number.

71616007 is a deficient number, since it is larger than the sum of its proper divisors (1).

71616007 is an equidigital number, since it uses as much as digits as its factorization.

71616007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 71616007 is about 8462.6241202124. The cubic root of 71616007 is about 415.2758740532.

The spelling of 71616007 in words is "seventy-one million, six hundred sixteen thousand, seven".