71105452 has 12 divisors (see below), whose sum is σ = 135746856. Its totient is φ = 32320640.

The previous prime is 71105449. The next prime is 71105471. The reversal of 71105452 is 25450117.

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, 807973 + ... + 808060.

It is an arithmetic number, because the mean of its divisors is an integer number (11312238).

Almost surely, 2^71105452 is an apocalyptic number.

It is an amenable number.

71105452 is a deficient number, since it is larger than the sum of its proper divisors (64641404).

71105452 is a wasteful number, since it uses less digits than its factorization.

71105452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616048 (or 1616046 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 71105452 is about 8432.4048764276. The cubic root of 71105452 is about 414.2866770602.

Adding to 71105452 its reverse (25450117), we get a palindrome (96555569).

The spelling of 71105452 in words is "seventy-one million, one hundred five thousand, four hundred fifty-two".