71357437024420 has 24 divisors (see below), whose sum is σ = 149859382176000. Its totient is φ = 28541305395552.

The previous prime is 71357437024411. The next prime is 71357437024507. The reversal of 71357437024420 is 2442073475317.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103987860 + ... + 104671819.

It is an arithmetic number, because the mean of its divisors is an integer number (6244140924000).

Almost surely, 2^{71357437024420} is an apocalyptic number.

It is an amenable number.

71357437024420 is an abundant number, since it is smaller than the sum of its proper divisors (78501945151580).

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

71357437024420 is a wasteful number, since it uses less digits than its factorization.

71357437024420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208676787 (or 208676785 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 49.

The spelling of 71357437024420 in words is "seventy-one trillion, three hundred fifty-seven billion, four hundred thirty-seven million, twenty-four thousand, four hundred twenty".