71470507 has 2 divisors, whose sum is σ = 71470508. Its totient is φ = 71470506.

The previous prime is 71470501. The next prime is 71470657. The reversal of 71470507 is 70507417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71470507 - 2⁷ = 71470379 is a prime.

It is not a weakly prime, because it can be changed into another prime (71470501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35735253 + 35735254.

It is an arithmetic number, because the mean of its divisors is an integer number (35735254).

Almost surely, 2^71470507 is an apocalyptic number.

71470507 is a deficient number, since it is larger than the sum of its proper divisors (1).

71470507 is an equidigital number, since it uses as much as digits as its factorization.

71470507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 71470507 is about 8454.0231251162. The cubic root of 71470507 is about 414.9944490475.

The spelling of 71470507 in words is "seventy-one million, four hundred seventy thousand, five hundred seven".