71842274 has 16 divisors (see below), whose sum is σ = 124430208. Its totient is φ = 30471552.

The previous prime is 71842241. The next prime is 71842297. The reversal of 71842274 is 47224817.

It is a happy number.

It is a super-2 number, since 2×71842274² = 10322624666982152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25094 + ... + 27809.

It is an arithmetic number, because the mean of its divisors is an integer number (7776888).

Almost surely, 2^71842274 is an apocalyptic number.

71842274 is a deficient number, since it is larger than the sum of its proper divisors (52587934).

71842274 is a wasteful number, since it uses less digits than its factorization.

71842274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53009.

The product of its digits is 25088, while the sum is 35.

The square root of 71842274 is about 8475.9821849742. The cubic root of 71842274 is about 415.7127616810.

The spelling of 71842274 in words is "seventy-one million, eight hundred forty-two thousand, two hundred seventy-four".