71398941 has 12 divisors (see below), whose sum is σ = 100474272. Its totient is φ = 45093384.

The previous prime is 71398939. The next prime is 71398961. The reversal of 71398941 is 14989317.

It is a happy number.

It is not a de Polignac number, because 71398941 - 2¹ = 71398939 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 71398893 and 71398902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71398961) 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, 31881 + ... + 34046.

It is an arithmetic number, because the mean of its divisors is an integer number (8372856).

Almost surely, 2^71398941 is an apocalyptic number.

It is an amenable number.

71398941 is a deficient number, since it is larger than the sum of its proper divisors (29075331).

71398941 is a wasteful number, since it uses less digits than its factorization.

71398941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65968 (or 65949 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 71398941 is about 8449.7894056598. The cubic root of 71398941 is about 414.8558864779.

The spelling of 71398941 in words is "seventy-one million, three hundred ninety-eight thousand, nine hundred forty-one".