71229807 has 16 divisors (see below), whose sum is σ = 115119360. Its totient is φ = 43169400.

The previous prime is 71229791. The next prime is 71229811. The reversal of 71229807 is 70892217.

It is not a de Polignac number, because 71229807 - 2⁴ = 71229791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71229817) 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, 119619 + ... + 120212.

It is an arithmetic number, because the mean of its divisors is an integer number (7194960).

Almost surely, 2^71229807 is an apocalyptic number.

71229807 is a deficient number, since it is larger than the sum of its proper divisors (43889553).

71229807 is a wasteful number, since it uses less digits than its factorization.

71229807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239851 (or 239845 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 71229807 is about 8439.7752932172. The cubic root of 71229807 is about 414.5280491543.

The spelling of 71229807 in words is "seventy-one million, two hundred twenty-nine thousand, eight hundred seven".