71210612 has 24 divisors (see below), whose sum is σ = 136170720. Its totient is φ = 32315360.

The previous prime is 71210609. The next prime is 71210621. The reversal of 71210612 is 21601217.

It is a super-2 number, since 2×71210612² = 10141902522829088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40814 + ... + 42522.

It is an arithmetic number, because the mean of its divisors is an integer number (5673780).

Almost surely, 2^71210612 is an apocalyptic number.

It is an amenable number.

71210612 is a deficient number, since it is larger than the sum of its proper divisors (64960108).

71210612 is a wasteful number, since it uses less digits than its factorization.

71210612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 71210612 is about 8438.6380417695. The cubic root of 71210612 is about 414.4908101524.

Adding to 71210612 its reverse (21601217), we get a palindrome (92811829).

The spelling of 71210612 in words is "seventy-one million, two hundred ten thousand, six hundred twelve".