71708401492 has 96 divisors (see below), whose sum is σ = 158981715200. Its totient is φ = 27707412096.

The previous prime is 71708401489. The next prime is 71708401549. The reversal of 71708401492 is 29410480717.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

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, 2631634 + ... + 2658742.

Almost surely, 2^71708401492 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 71708401492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79490857600).

71708401492 is an abundant number, since it is smaller than the sum of its proper divisors (87273313708).

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

71708401492 is a wasteful number, since it uses less digits than its factorization.

71708401492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27202 (or 27174 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 71708401492 in words is "seventy-one billion, seven hundred eight million, four hundred one thousand, four hundred ninety-two".