71494122 has 64 divisors (see below), whose sum is σ = 172744704. Its totient is φ = 19293120.

The previous prime is 71494109. The next prime is 71494123. The reversal of 71494122 is 22149417.

It is a super-2 number, since 2×71494122² = 10222818961101768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71494122.

It is not an unprimeable number, because it can be changed into a prime (71494123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 55348 + ... + 56624.

It is an arithmetic number, because the mean of its divisors is an integer number (2699136).

Almost surely, 2^71494122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71494122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86372352).

71494122 is an abundant number, since it is smaller than the sum of its proper divisors (101250582).

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

71494122 is a wasteful number, since it uses less digits than its factorization.

71494122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its digits is 4032, while the sum is 30.

The square root of 71494122 is about 8455.4196820737. The cubic root of 71494122 is about 415.0401509515.

The spelling of 71494122 in words is "seventy-one million, four hundred ninety-four thousand, one hundred twenty-two".