71398683 has 12 divisors (see below), whose sum is σ = 103471368. Its totient is φ = 47442240.

The previous prime is 71398681. The next prime is 71398703. The reversal of 71398683 is 38689317.

It is a happy number.

It is not a de Polignac number, because 71398683 - 2¹ = 71398681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71398681) 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, 10158 + ... + 15683.

It is an arithmetic number, because the mean of its divisors is an integer number (8622614).

Almost surely, 2^71398683 is an apocalyptic number.

71398683 is a deficient number, since it is larger than the sum of its proper divisors (32072685).

71398683 is a wasteful number, since it uses less digits than its factorization.

71398683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26154 (or 26151 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 71398683 is about 8449.7741389933. The cubic root of 71398683 is about 414.8553867835.

The spelling of 71398683 in words is "seventy-one million, three hundred ninety-eight thousand, six hundred eighty-three".