71501000870 has 32 divisors (see below), whose sum is σ = 138623849280. Its totient is φ = 26396196480.

The previous prime is 71501000833. The next prime is 71501000873. The reversal of 71501000870 is 7800010517.

It is a super-2 number, since 2×71501000870² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71501000873) 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, 852935 + ... + 933005.

It is an arithmetic number, because the mean of its divisors is an integer number (4331995290).

Almost surely, 2^71501000870 is an apocalyptic number.

71501000870 is a deficient number, since it is larger than the sum of its proper divisors (67122848410).

71501000870 is a wasteful number, since it uses less digits than its factorization.

71501000870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86960.

The product of its (nonzero) digits is 1960, while the sum is 29.

The spelling of 71501000870 in words is "seventy-one billion, five hundred one million, eight hundred seventy", and thus it is an aban number.