71100472 has 32 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 34613344.

The previous prime is 71100461. The next prime is 71100473. The reversal of 71100472 is 27400117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71100473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98529 + ... + 99247.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^71100472 is an apocalyptic number.

It is an amenable number.

71100472 is a deficient number, since it is larger than the sum of its proper divisors (65757128).

71100472 is a wasteful number, since it uses less digits than its factorization.

71100472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 71100472 is about 8432.1095818306. The cubic root of 71100472 is about 414.2770050601.

Adding to 71100472 its reverse (27400117), we get a palindrome (98500589).

The spelling of 71100472 in words is "seventy-one million, one hundred thousand, four hundred seventy-two".