71955452 has 12 divisors (see below), whose sum is σ = 125981856. Its totient is φ = 35960640.

The previous prime is 71955427. The next prime is 71955479. The reversal of 71955452 is 25455917.

It is a happy number.

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, 12653 + ... + 17435.

It is an arithmetic number, because the mean of its divisors is an integer number (10498488).

Almost surely, 2^71955452 is an apocalyptic number.

It is an amenable number.

71955452 is a deficient number, since it is larger than the sum of its proper divisors (54026404).

71955452 is a wasteful number, since it uses less digits than its factorization.

71955452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548 (or 8546 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 71955452 is about 8482.6559519999. The cubic root of 71955452 is about 415.9309473032.

The spelling of 71955452 in words is "seventy-one million, nine hundred fifty-five thousand, four hundred fifty-two".