71899152 has 40 divisors (see below), whose sum is σ = 200028864. Its totient is φ = 22122624.

The previous prime is 71899151. The next prime is 71899153. The reversal of 71899152 is 25199817.

It is an interprime number because it is at equal distance from previous prime (71899151) and next prime (71899153).

It is not an unprimeable number, because it can be changed into a prime (71899151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56988 + ... + 58235.

Almost surely, 2^71899152 is an apocalyptic number.

It is an amenable number.

71899152 is an abundant number, since it is smaller than the sum of its proper divisors (128129712).

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

71899152 is a wasteful number, since it uses less digits than its factorization.

71899152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115247 (or 115241 counting only the distinct ones).

The product of its digits is 45360, while the sum is 42.

The square root of 71899152 is about 8479.3367665166. The cubic root of 71899152 is about 415.8224402492.

The spelling of 71899152 in words is "seventy-one million, eight hundred ninety-nine thousand, one hundred fifty-two".