71400532 has 12 divisors (see below), whose sum is σ = 142801120. Its totient is φ = 30600216.

The previous prime is 71400529. The next prime is 71400541. The reversal of 71400532 is 23500417.

71400532 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274982 + ... + 1275037.

Almost surely, 2^71400532 is an apocalyptic number.

It is an amenable number.

71400532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71400532 is a wasteful number, since it uses less digits than its factorization.

71400532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550030 (or 2550028 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 71400532 is about 8449.8835494934. The cubic root of 71400532 is about 414.8589678999.

Adding to 71400532 its reverse (23500417), we get a palindrome (94900949).

The spelling of 71400532 in words is "seventy-one million, four hundred thousand, five hundred thirty-two".