71986150 has 24 divisors (see below), whose sum is σ = 134500320. Its totient is φ = 28664160.

The previous prime is 71986147. The next prime is 71986153. The reversal of 71986150 is 5168917.

It is an interprime number because it is at equal distance from previous prime (71986147) and next prime (71986153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71986153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8307 + ... + 14593.

It is an arithmetic number, because the mean of its divisors is an integer number (5604180).

Almost surely, 2^71986150 is an apocalyptic number.

71986150 is a deficient number, since it is larger than the sum of its proper divisors (62514170).

71986150 is a wasteful number, since it uses less digits than its factorization.

71986150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528 (or 6523 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 71986150 is about 8484.4652159108. The cubic root of 71986150 is about 415.9900877508.

The spelling of 71986150 in words is "seventy-one million, nine hundred eighty-six thousand, one hundred fifty".