71429705 has 8 divisors (see below), whose sum is σ = 86995392. Its totient is φ = 56290608.

The previous prime is 71429693. The next prime is 71429747. The reversal of 71429705 is 50792417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71429705 - 2⁶ = 71429641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106277 + ... + 106946.

It is an arithmetic number, because the mean of its divisors is an integer number (10874424).

Almost surely, 2^71429705 is an apocalyptic number.

It is an amenable number.

71429705 is a deficient number, since it is larger than the sum of its proper divisors (15565687).

71429705 is a wasteful number, since it uses less digits than its factorization.

71429705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213295.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 71429705 is about 8451.6096100092. The cubic root of 71429705 is about 414.9154615627.

The spelling of 71429705 in words is "seventy-one million, four hundred twenty-nine thousand, seven hundred five".