71272514 has 16 divisors (see below), whose sum is σ = 109753056. Its totient is φ = 34692000.

The previous prime is 71272507. The next prime is 71272519. The reversal of 71272514 is 41527217.

It is not an unprimeable number, because it can be changed into a prime (71272519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67289 + ... + 68339.

It is an arithmetic number, because the mean of its divisors is an integer number (6859566).

Almost surely, 2^71272514 is an apocalyptic number.

71272514 is a deficient number, since it is larger than the sum of its proper divisors (38480542).

71272514 is a wasteful number, since it uses less digits than its factorization.

71272514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

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

The square root of 71272514 is about 8442.3050169962. The cubic root of 71272514 is about 414.6108783014.

The spelling of 71272514 in words is "seventy-one million, two hundred seventy-two thousand, five hundred fourteen".