71047230 has 32 divisors (see below), whose sum is σ = 177928704. Its totient is φ = 18122016.

The previous prime is 71047183. The next prime is 71047231. The reversal of 71047230 is 3274017.

It is a self number, because there is not a number n which added to its sum of digits gives 71047230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71047231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50794 + ... + 52173.

It is an arithmetic number, because the mean of its divisors is an integer number (5560272).

Almost surely, 2^71047230 is an apocalyptic number.

71047230 is an abundant number, since it is smaller than the sum of its proper divisors (106881474).

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

71047230 is a wasteful number, since it uses less digits than its factorization.

71047230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103000.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 71047230 is about 8428.9518921394. The cubic root of 71047230 is about 414.1735718780.

The spelling of 71047230 in words is "seventy-one million, forty-seven thousand, two hundred thirty".