71065150 has 24 divisors (see below), whose sum is σ = 142350264. Its totient is φ = 26239200.

The previous prime is 71065139. The next prime is 71065157. The reversal of 71065150 is 5156017.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71065157) 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, 54016 + ... + 55315.

It is an arithmetic number, because the mean of its divisors is an integer number (5931261).

Almost surely, 2^71065150 is an apocalyptic number.

71065150 is an abundant number, since it is smaller than the sum of its proper divisors (71285114).

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

71065150 is a wasteful number, since it uses less digits than its factorization.

71065150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109356 (or 109351 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 71065150 is about 8430.0148279822. The cubic root of 71065150 is about 414.2083908122.

The spelling of 71065150 in words is "seventy-one million, sixty-five thousand, one hundred fifty".