71048142 has 24 divisors (see below), whose sum is σ = 167932440. Its totient is φ = 21529680.

The previous prime is 71048137. The next prime is 71048149. The reversal of 71048142 is 24184017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71048149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179217 + ... + 179612.

It is an arithmetic number, because the mean of its divisors is an integer number (6997185).

Almost surely, 2^71048142 is an apocalyptic number.

71048142 is an abundant number, since it is smaller than the sum of its proper divisors (96884298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71048142 is a wasteful number, since it uses less digits than its factorization.

71048142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358848 (or 358845 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 71048142 is about 8429.0059912187. The cubic root of 71048142 is about 414.1753440544.

The spelling of 71048142 in words is "seventy-one million, forty-eight thousand, one hundred forty-two".