71696407 has 2 divisors, whose sum is σ = 71696408. Its totient is φ = 71696406.

The previous prime is 71696399. The next prime is 71696441. The reversal of 71696407 is 70469617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71696407 - 2³ = 71696399 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71696407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71696447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35848203 + 35848204.

It is an arithmetic number, because the mean of its divisors is an integer number (35848204).

Almost surely, 2^71696407 is an apocalyptic number.

71696407 is a deficient number, since it is larger than the sum of its proper divisors (1).

71696407 is an equidigital number, since it uses as much as digits as its factorization.

71696407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 71696407 is about 8467.3730873276. The cubic root of 71696407 is about 415.4312196479.

The spelling of 71696407 in words is "seventy-one million, six hundred ninety-six thousand, four hundred seven".