71302912 has 36 divisors (see below), whose sum is σ = 143080000. Its totient is φ = 35463168.

The previous prime is 71302897. The next prime is 71302937. The reversal of 71302912 is 21920317.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56464 + ... + 57712.

Almost surely, 2^71302912 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 71302912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71540000).

71302912 is an abundant number, since it is smaller than the sum of its proper divisors (71777088).

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

71302912 is a wasteful number, since it uses less digits than its factorization.

71302912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 71302912 is about 8444.1051627748. The cubic root of 71302912 is about 414.6698142989.

The spelling of 71302912 in words is "seventy-one million, three hundred two thousand, nine hundred twelve".