71402145432 has 16 divisors (see below), whose sum is σ = 178505363640. Its totient is φ = 23800715136.

The previous prime is 71402145427. The next prime is 71402145443. The reversal of 71402145432 is 23454120417.

It is a junction number, because it is equal to n+sod(n) for n = 71402145393 and 71402145402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487544673 + ... + 1487544720.

Almost surely, 2^71402145432 is an apocalyptic number.

It is an amenable number.

71402145432 is an abundant number, since it is smaller than the sum of its proper divisors (107103218208).

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

71402145432 is a wasteful number, since it uses less digits than its factorization.

71402145432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975089402 (or 2975089398 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 71402145432 its reverse (23454120417), we get a palindrome (94856265849).

The spelling of 71402145432 in words is "seventy-one billion, four hundred two million, one hundred forty-five thousand, four hundred thirty-two".