71352442 has 16 divisors (see below), whose sum is σ = 122435712. Its totient is φ = 30550320.

The previous prime is 71352433. The next prime is 71352461. The reversal of 71352442 is 24425317.

It is a self number, because there is not a number n which added to its sum of digits gives 71352442.

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, 19468 + ... + 22840.

It is an arithmetic number, because the mean of its divisors is an integer number (7652232).

Almost surely, 2^71352442 is an apocalyptic number.

71352442 is a deficient number, since it is larger than the sum of its proper divisors (51083270).

71352442 is a wasteful number, since it uses less digits than its factorization.

71352442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893.

The product of its digits is 6720, while the sum is 28.

The square root of 71352442 is about 8447.0374688408. The cubic root of 71352442 is about 414.7658077700.

Adding to 71352442 its reverse (24425317), we get a palindrome (95777759).

The spelling of 71352442 in words is "seventy-one million, three hundred fifty-two thousand, four hundred forty-two".