71900208 has 120 divisors (see below), whose sum is σ = 222494688. Its totient is φ = 21559296.

The previous prime is 71900197. The next prime is 71900219. The reversal of 71900208 is 80200917.

It is an interprime number because it is at equal distance from previous prime (71900197) and next prime (71900219).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55666 + ... + 56942.

Almost surely, 2^71900208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71900208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111247344).

71900208 is an abundant number, since it is smaller than the sum of its proper divisors (150594480).

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

71900208 is a wasteful number, since it uses less digits than its factorization.

71900208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 71900208 is about 8479.3990353090. The cubic root of 71900208 is about 415.8244760004.

The spelling of 71900208 in words is "seventy-one million, nine hundred thousand, two hundred eight".