71159270 has 48 divisors (see below), whose sum is σ = 160474608. Its totient is φ = 22518720.

The previous prime is 71159267. The next prime is 71159273. The reversal of 71159270 is 7295117.

It is an interprime number because it is at equal distance from previous prime (71159267) and next prime (71159273).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71159273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785 + ... + 11955.

It is an arithmetic number, because the mean of its divisors is an integer number (3343221).

Almost surely, 2^71159270 is an apocalyptic number.

71159270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71159270 is an abundant number, since it is smaller than the sum of its proper divisors (89315338).

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

71159270 is a wasteful number, since it uses less digits than its factorization.

71159270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205 (or 11198 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 71159270 is about 8435.5954146699. The cubic root of 71159270 is about 414.3911718962.

The spelling of 71159270 in words is "seventy-one million, one hundred fifty-nine thousand, two hundred seventy".