71345554 has 8 divisors (see below), whose sum is σ = 122306688. Its totient is φ = 30576660.

The previous prime is 71345543. The next prime is 71345569. The reversal of 71345554 is 45554317.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2548042 + ... + 2548069.

It is an arithmetic number, because the mean of its divisors is an integer number (15288336).

Almost surely, 2^71345554 is an apocalyptic number.

71345554 is a deficient number, since it is larger than the sum of its proper divisors (50961134).

71345554 is a wasteful number, since it uses less digits than its factorization.

71345554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096120.

The product of its digits is 42000, while the sum is 34.

The square root of 71345554 is about 8446.6297420924. The cubic root of 71345554 is about 414.7524608836.

The spelling of 71345554 in words is "seventy-one million, three hundred forty-five thousand, five hundred fifty-four".