71130408 has 32 divisors (see below), whose sum is σ = 182165760. Its totient is φ = 23131520.

The previous prime is 71130401. The next prime is 71130413. The reversal of 71130408 is 80403117.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (71130401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35160 + ... + 37127.

It is an arithmetic number, because the mean of its divisors is an integer number (5692680).

Almost surely, 2^71130408 is an apocalyptic number.

It is an amenable number.

71130408 is an abundant number, since it is smaller than the sum of its proper divisors (111035352).

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

71130408 is a wasteful number, since it uses less digits than its factorization.

71130408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72337 (or 72333 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 71130408 is about 8433.8845142674. The cubic root of 71130408 is about 414.3351390215.

The spelling of 71130408 in words is "seventy-one million, one hundred thirty thousand, four hundred eight".