71623241420 has 12 divisors (see below), whose sum is σ = 150408807024. Its totient is φ = 28649296560.

The previous prime is 71623241387. The next prime is 71623241447. The reversal of 71623241420 is 2414232617.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790581016 + ... + 1790581055.

It is an arithmetic number, because the mean of its divisors is an integer number (12534067252).

Almost surely, 2^71623241420 is an apocalyptic number.

It is an amenable number.

71623241420 is an abundant number, since it is smaller than the sum of its proper divisors (78785565604).

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

71623241420 is a wasteful number, since it uses less digits than its factorization.

71623241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581162080 (or 3581162078 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 71623241420 in words is "seventy-one billion, six hundred twenty-three million, two hundred forty-one thousand, four hundred twenty".