71500570 has 16 divisors (see below), whose sum is σ = 132853248. Its totient is φ = 27677520.

The previous prime is 71500567. The next prime is 71500571. The reversal of 71500570 is 7500517.

It is a super-2 number, since 2×71500570² = 10224663020649800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71500571) 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, 115014 + ... + 115633.

It is an arithmetic number, because the mean of its divisors is an integer number (8303328).

Almost surely, 2^71500570 is an apocalyptic number.

71500570 is a deficient number, since it is larger than the sum of its proper divisors (61352678).

71500570 is a wasteful number, since it uses less digits than its factorization.

71500570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230685.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 71500570 is about 8455.8009673833. The cubic root of 71500570 is about 415.0526279607.

The spelling of 71500570 in words is "seventy-one million, five hundred thousand, five hundred seventy".