71490422860 has 24 divisors (see below), whose sum is σ = 150162445440. Its totient is φ = 28589967744.

The previous prime is 71490422831. The next prime is 71490422909. The reversal of 71490422860 is 6822409417.

It is a super-2 number, since 2×71490422860² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 292489 + ... + 478048.

It is an arithmetic number, because the mean of its divisors is an integer number (6256768560).

Almost surely, 2^71490422860 is an apocalyptic number.

It is an amenable number.

71490422860 is an abundant number, since it is smaller than the sum of its proper divisors (78672022580).

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

71490422860 is a wasteful number, since it uses less digits than its factorization.

71490422860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775185 (or 775183 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 71490422860 in words is "seventy-one billion, four hundred ninety million, four hundred twenty-two thousand, eight hundred sixty".