71354128 has 40 divisors (see below), whose sum is σ = 141910560. Its totient is φ = 34744320.

The previous prime is 71354099. The next prime is 71354137. The reversal of 71354128 is 82145317.

It is a self number, because there is not a number n which added to its sum of digits gives 71354128.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123376 + ... + 123952.

It is an arithmetic number, because the mean of its divisors is an integer number (3547764).

Almost surely, 2^71354128 is an apocalyptic number.

It is an amenable number.

71354128 is a deficient number, since it is larger than the sum of its proper divisors (70556432).

71354128 is a wasteful number, since it uses less digits than its factorization.

71354128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 769 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 71354128 is about 8447.1372665537. The cubic root of 71354128 is about 414.7690746035.

The spelling of 71354128 in words is "seventy-one million, three hundred fifty-four thousand, one hundred twenty-eight".