71341672 has 8 divisors (see below), whose sum is σ = 133765650. Its totient is φ = 35670832.

The previous prime is 71341663. The next prime is 71341709. The reversal of 71341672 is 27614317.

It can be written as a sum of positive squares in only one way, i.e., 58767556 + 12574116 = 7666^2 + 3546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×71341672³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4458847 + ... + 4458862.

Almost surely, 2^71341672 is an apocalyptic number.

It is an amenable number.

71341672 is a deficient number, since it is larger than the sum of its proper divisors (62423978).

71341672 is a wasteful number, since it uses less digits than its factorization.

71341672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917715 (or 8917711 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 71341672 is about 8446.3999431711. The cubic root of 71341672 is about 414.7449383487.

Adding to 71341672 its reverse (27614317), we get a palindrome (98955989).

The spelling of 71341672 in words is "seventy-one million, three hundred forty-one thousand, six hundred seventy-two".