71246408328 has 48 divisors (see below), whose sum is σ = 200105658480. Its totient is φ = 23748802128.

The previous prime is 71246408291. The next prime is 71246408339. The reversal of 71246408328 is 82380464217.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18322750 + ... + 18326637.

It is an arithmetic number, because the mean of its divisors is an integer number (4168867885).

Almost surely, 2^71246408328 is an apocalyptic number.

It is an amenable number.

71246408328 is an abundant number, since it is smaller than the sum of its proper divisors (128859250152).

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

71246408328 is a wasteful number, since it uses less digits than its factorization.

71246408328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36649408 (or 36649392 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 71246408328 in words is "seventy-one billion, two hundred forty-six million, four hundred eight thousand, three hundred twenty-eight".