71422653 has 16 divisors (see below), whose sum is σ = 100422080. Its totient is φ = 45028224.

The previous prime is 71422651. The next prime is 71422709. The reversal of 71422653 is 35622417.

It is not a de Polignac number, because 71422653 - 2¹ = 71422651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71422653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71422651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58275 + ... + 59487.

It is an arithmetic number, because the mean of its divisors is an integer number (6276380).

Almost surely, 2^71422653 is an apocalyptic number.

It is an amenable number.

71422653 is a deficient number, since it is larger than the sum of its proper divisors (28999427).

71422653 is a wasteful number, since it uses less digits than its factorization.

71422653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its digits is 10080, while the sum is 30.

The square root of 71422653 is about 8451.1924010757. The cubic root of 71422653 is about 414.9018067388.

The spelling of 71422653 in words is "seventy-one million, four hundred twenty-two thousand, six hundred fifty-three".