71860512 has 48 divisors (see below), whose sum is σ = 193741632. Its totient is φ = 23304960.

The previous prime is 71860507. The next prime is 71860517. The reversal of 71860512 is 21506817.

It is an interprime number because it is at equal distance from previous prime (71860507) and next prime (71860517).

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 71860512.

It is not an unprimeable number, because it can be changed into a prime (71860517) 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, 6564 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (4036284).

Almost surely, 2^71860512 is an apocalyptic number.

It is an amenable number.

71860512 is an abundant number, since it is smaller than the sum of its proper divisors (121881120).

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

71860512 is a wasteful number, since it uses less digits than its factorization.

71860512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20281 (or 20273 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 71860512 is about 8477.0579802193. The cubic root of 71860512 is about 415.7479365506.

The spelling of 71860512 in words is "seventy-one million, eight hundred sixty thousand, five hundred twelve".