71042150 has 24 divisors (see below), whose sum is σ = 139912920. Its totient is φ = 26744960.

The previous prime is 71042123. The next prime is 71042171. The reversal of 71042150 is 5124017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40940 + ... + 42639.

It is an arithmetic number, because the mean of its divisors is an integer number (5829705).

Almost surely, 2^71042150 is an apocalyptic number.

71042150 is a deficient number, since it is larger than the sum of its proper divisors (68870770).

71042150 is a wasteful number, since it uses less digits than its factorization.

71042150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83608 (or 83603 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 71042150 is about 8428.6505444229. The cubic root of 71042150 is about 414.1637002668.

Adding to 71042150 its reverse (5124017), we get a palindrome (76166167).

The spelling of 71042150 in words is "seventy-one million, forty-two thousand, one hundred fifty".