71268907 has 16 divisors (see below), whose sum is σ = 75301632. Its totient is φ = 67368960.

The previous prime is 71268889. The next prime is 71268937. The reversal of 71268907 is 70986217.

It is a cyclic number.

It is not a de Polignac number, because 71268907 - 2¹¹ = 71266859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71268907.

It is not an unprimeable number, because it can be changed into a prime (71268937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411873 + ... + 412045.

It is an arithmetic number, because the mean of its divisors is an integer number (4706352).

Almost surely, 2^71268907 is an apocalyptic number.

71268907 is a deficient number, since it is larger than the sum of its proper divisors (4032725).

71268907 is a wasteful number, since it uses less digits than its factorization.

71268907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 71268907 is about 8442.0913878020. The cubic root of 71268907 is about 414.6038838956.

The spelling of 71268907 in words is "seventy-one million, two hundred sixty-eight thousand, nine hundred seven".