71314140 has 48 divisors (see below), whose sum is σ = 200204928. Its totient is φ = 18967104.

The previous prime is 71314127. The next prime is 71314151. The reversal of 71314140 is 4141317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25239 + ... + 27921.

It is an arithmetic number, because the mean of its divisors is an integer number (4170936).

Almost surely, 2^71314140 is an apocalyptic number.

It is an amenable number.

71314140 is an abundant number, since it is smaller than the sum of its proper divisors (128890788).

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

71314140 is a wasteful number, since it uses less digits than its factorization.

71314140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 71314140 is about 8444.7699791054. The cubic root of 71314140 is about 414.6915790402.

Adding to 71314140 its reverse (4141317), we get a palindrome (75455457).

The spelling of 71314140 in words is "seventy-one million, three hundred fourteen thousand, one hundred forty".