71103740 has 24 divisors (see below), whose sum is σ = 152137440. Its totient is φ = 27904448.

The previous prime is 71103733. The next prime is 71103749. The reversal of 71103740 is 4730117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71103749) 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, 32480 + ... + 34599.

It is an arithmetic number, because the mean of its divisors is an integer number (6339060).

Almost surely, 2^71103740 is an apocalyptic number.

It is an amenable number.

71103740 is an abundant number, since it is smaller than the sum of its proper divisors (81033700).

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

71103740 is a wasteful number, since it uses less digits than its factorization.

71103740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67141 (or 67139 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 71103740 is about 8432.3033626643. The cubic root of 71103740 is about 414.2833521183.

Adding to 71103740 its reverse (4730117), we get a palindrome (75833857).

The spelling of 71103740 in words is "seventy-one million, one hundred three thousand, seven hundred forty".