71415272 has 16 divisors (see below), whose sum is σ = 134654400. Its totient is φ = 35507440.

The previous prime is 71415269. The next prime is 71415277. The reversal of 71415272 is 27251417.

It is not an unprimeable number, because it can be changed into a prime (71415277) 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, 23504 + ... + 26367.

It is an arithmetic number, because the mean of its divisors is an integer number (8415900).

Almost surely, 2^71415272 is an apocalyptic number.

It is an amenable number.

71415272 is a deficient number, since it is larger than the sum of its proper divisors (63239128).

71415272 is a wasteful number, since it uses less digits than its factorization.

71415272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50056 (or 50052 counting only the distinct ones).

The product of its digits is 3920, while the sum is 29.

The square root of 71415272 is about 8450.7557058526. The cubic root of 71415272 is about 414.8875139078.

Adding to 71415272 its reverse (27251417), we get a palindrome (98666689).

The spelling of 71415272 in words is "seventy-one million, four hundred fifteen thousand, two hundred seventy-two".