71434307 has 12 divisors (see below), whose sum is σ = 84271536. Its totient is φ = 60364080.

The previous prime is 71434283. The next prime is 71434327. The reversal of 71434307 is 70343417.

It is not a de Polignac number, because 71434307 - 2²⁶ = 4325443 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 71434307.

It is not an unprimeable number, because it can be changed into a prime (71434327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6788 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (7022628).

Almost surely, 2^71434307 is an apocalyptic number.

71434307 is a deficient number, since it is larger than the sum of its proper divisors (12837229).

71434307 is a wasteful number, since it uses less digits than its factorization.

71434307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618 (or 20611 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 71434307 is about 8451.8818614555. The cubic root of 71434307 is about 414.9243719544.

The spelling of 71434307 in words is "seventy-one million, four hundred thirty-four thousand, three hundred seven".