71227042 has 16 divisors (see below), whose sum is σ = 115045920. Its totient is φ = 32949568.

The previous prime is 71227001. The next prime is 71227073. The reversal of 71227042 is 24072217.

It is a junction number, because it is equal to n+sod(n) for n = 71226998 and 71227016.

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, 15748 + ... + 19759.

It is an arithmetic number, because the mean of its divisors is an integer number (7190370).

Almost surely, 2^71227042 is an apocalyptic number.

71227042 is a deficient number, since it is larger than the sum of its proper divisors (43818878).

71227042 is a wasteful number, since it uses less digits than its factorization.

71227042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35585.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 71227042 is about 8439.6114839488. The cubic root of 71227042 is about 414.5226853657.

Adding to 71227042 its reverse (24072217), we get a palindrome (95299259).

The spelling of 71227042 in words is "seventy-one million, two hundred twenty-seven thousand, forty-two".