71408552 has 64 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 33062400.

The previous prime is 71408539. The next prime is 71408569. The reversal of 71408552 is 25580417.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 860303 + ... + 860385.

It is an arithmetic number, because the mean of its divisors is an integer number (2255715).

Almost surely, 2^71408552 is an apocalyptic number.

It is an amenable number.

71408552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

71408552 is a wasteful number, since it uses less digits than its factorization.

71408552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 71408552 is about 8450.3580989210. The cubic root of 71408552 is about 414.8745002041.

Adding to 71408552 its reverse (25580417), we get a palindrome (96988969).

The spelling of 71408552 in words is "seventy-one million, four hundred eight thousand, five hundred fifty-two".