71969212 has 24 divisors (see below), whose sum is σ = 145265120. Its totient is φ = 30559680.

The previous prime is 71969201. The next prime is 71969243. The reversal of 71969212 is 21296917.

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, 8739 + ... + 14842.

Almost surely, 2^71969212 is an apocalyptic number.

It is an amenable number.

71969212 is an abundant number, since it is smaller than the sum of its proper divisors (73295908).

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

71969212 is a wasteful number, since it uses less digits than its factorization.

71969212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23701 (or 23699 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 71969212 is about 8483.4669799558. The cubic root of 71969212 is about 415.9574583593.

The spelling of 71969212 in words is "seventy-one million, nine hundred sixty-nine thousand, two hundred twelve".