71394132 has 12 divisors (see below), whose sum is σ = 166586336. Its totient is φ = 23798040.

The previous prime is 71394107. The next prime is 71394133. The reversal of 71394132 is 23149317.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 71394132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71394133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2974744 + ... + 2974767.

Almost surely, 2^71394132 is an apocalyptic number.

It is an amenable number.

71394132 is an abundant number, since it is smaller than the sum of its proper divisors (95192204).

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

71394132 is a wasteful number, since it uses less digits than its factorization.

71394132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949518 (or 5949516 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 71394132 is about 8449.5048375630. The cubic root of 71394132 is about 414.8465722092.

The spelling of 71394132 in words is "seventy-one million, three hundred ninety-four thousand, one hundred thirty-two".