71151442 has 16 divisors (see below), whose sum is σ = 110730240. Its totient is φ = 34248592.

The previous prime is 71151427. The next prime is 71151449. The reversal of 71151442 is 24415117.

It is not an unprimeable number, because it can be changed into a prime (71151449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20613 + ... + 23815.

It is an arithmetic number, because the mean of its divisors is an integer number (6920640).

Almost surely, 2^71151442 is an apocalyptic number.

71151442 is a deficient number, since it is larger than the sum of its proper divisors (39578798).

71151442 is a wasteful number, since it uses less digits than its factorization.

71151442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617.

The product of its digits is 1120, while the sum is 25.

The square root of 71151442 is about 8435.1314156923. The cubic root of 71151442 is about 414.3759760637.

Adding to 71151442 its reverse (24415117), we get a palindrome (95566559).

The spelling of 71151442 in words is "seventy-one million, one hundred fifty-one thousand, four hundred forty-two".