71269912 has 64 divisors (see below), whose sum is σ = 164160000. Its totient is φ = 28915488.

The previous prime is 71269909. The next prime is 71269951. The reversal of 71269912 is 21996217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51453 + ... + 52819.

It is an arithmetic number, because the mean of its divisors is an integer number (2565000).

Almost surely, 2^71269912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71269912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82080000).

71269912 is an abundant number, since it is smaller than the sum of its proper divisors (92890088).

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

71269912 is a wasteful number, since it uses less digits than its factorization.

71269912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1395 counting only the distinct ones).

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

The square root of 71269912 is about 8442.1509107573. The cubic root of 71269912 is about 414.6058327349.

The spelling of 71269912 in words is "seventy-one million, two hundred sixty-nine thousand, nine hundred twelve".