71534940360 has 128 divisors (see below), whose sum is σ = 231427687680. Its totient is φ = 17584616448.

The previous prime is 71534940343. The next prime is 71534940371. The reversal of 71534940360 is 6304943517.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1128222 + ... + 1189938.

It is an arithmetic number, because the mean of its divisors is an integer number (1808028810).

Almost surely, 2^71534940360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71534940360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115713843840).

71534940360 is an abundant number, since it is smaller than the sum of its proper divisors (159892747320).

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

71534940360 is a wasteful number, since it uses less digits than its factorization.

71534940360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62487 (or 62483 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 71534940360 in words is "seventy-one billion, five hundred thirty-four million, nine hundred forty thousand, three hundred sixty".