71887006 has 16 divisors (see below), whose sum is σ = 112708224. Its totient is φ = 34322904.

The previous prime is 71886979. The next prime is 71887007. The reversal of 71887006 is 60078817.

It is a happy number.

It is a super-3 number, since 3×71887006³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71887007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40861 + ... + 42583.

It is an arithmetic number, because the mean of its divisors is an integer number (7044264).

Almost surely, 2^71887006 is an apocalyptic number.

71887006 is a deficient number, since it is larger than the sum of its proper divisors (40821218).

71887006 is a wasteful number, since it uses less digits than its factorization.

71887006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 71887006 is about 8478.6205245901. The cubic root of 71887006 is about 415.7990238220.

The spelling of 71887006 in words is "seventy-one million, eight hundred eighty-seven thousand, six".