71142826 has 8 divisors (see below), whose sum is σ = 106881120. Its totient is φ = 35515788.

The previous prime is 71142809. The next prime is 71142833. The reversal of 71142826 is 62824117.

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

It is a super-2 number, since 2×71142826² = 10122603382532552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26196 + ... + 28783.

It is an arithmetic number, because the mean of its divisors is an integer number (13360140).

Almost surely, 2^71142826 is an apocalyptic number.

71142826 is a deficient number, since it is larger than the sum of its proper divisors (35738294).

71142826 is a wasteful number, since it uses less digits than its factorization.

71142826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55628.

The product of its digits is 5376, while the sum is 31.

The square root of 71142826 is about 8434.6206790821. The cubic root of 71142826 is about 414.3592492650.

The spelling of 71142826 in words is "seventy-one million, one hundred forty-two thousand, eight hundred twenty-six".