71922294 has 48 divisors (see below), whose sum is σ = 163572864. Its totient is φ = 22809600.

The previous prime is 71922287. The next prime is 71922307. The reversal of 71922294 is 49222917.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32982 + ... + 35094.

It is an arithmetic number, because the mean of its divisors is an integer number (3407768).

Almost surely, 2^71922294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71922294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81786432).

71922294 is an abundant number, since it is smaller than the sum of its proper divisors (91650570).

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

71922294 is a wasteful number, since it uses less digits than its factorization.

71922294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213 (or 2210 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 71922294 is about 8480.7012681735. The cubic root of 71922294 is about 415.8670487061.

The spelling of 71922294 in words is "seventy-one million, nine hundred twenty-two thousand, two hundred ninety-four".