71422017424 has 40 divisors (see below), whose sum is σ = 142064621568. Its totient is φ = 34768139520.

The previous prime is 71422017421. The next prime is 71422017449. The reversal of 71422017424 is 42471022417.

It is a super-2 number, since 2×71422017424² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71422017424.

It is not an unprimeable number, because it can be changed into a prime (71422017421) 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, 104997 + ... + 392260.

Almost surely, 2^71422017424 is an apocalyptic number.

It is an amenable number.

71422017424 is a deficient number, since it is larger than the sum of its proper divisors (70642604144).

71422017424 is a wasteful number, since it uses less digits than its factorization.

71422017424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497503 (or 497497 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 71422017424 in words is "seventy-one billion, four hundred twenty-two million, seventeen thousand, four hundred twenty-four".