71654349028 has 12 divisors (see below), whose sum is σ = 127520452080. Its totient is φ = 35219934152.

The previous prime is 71654349007. The next prime is 71654349037. The reversal of 71654349028 is 82094345617.

It is a happy number.

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, 151809826 + ... + 151810297.

It is an arithmetic number, because the mean of its divisors is an integer number (10626704340).

It is a 1-persistent number, because it is pandigital, but 2⋅71654349028 = 143308698056 is not.

Almost surely, 2^71654349028 is an apocalyptic number.

It is an amenable number.

71654349028 is a deficient number, since it is larger than the sum of its proper divisors (55866103052).

71654349028 is a wasteful number, since it uses less digits than its factorization.

71654349028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303620186 (or 303620184 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 71654349028 in words is "seventy-one billion, six hundred fifty-four million, three hundred forty-nine thousand, twenty-eight".