71712514 has 16 divisors (see below), whose sum is σ = 108987840. Its totient is φ = 35385840.

The previous prime is 71712503. The next prime is 71712523. The reversal of 71712514 is 41521717.

It is an unprimeable number.

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, 100792 + ... + 101500.

It is an arithmetic number, because the mean of its divisors is an integer number (6811740).

Almost surely, 2^71712514 is an apocalyptic number.

71712514 is a deficient number, since it is larger than the sum of its proper divisors (37275326).

71712514 is a wasteful number, since it uses less digits than its factorization.

71712514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its digits is 1960, while the sum is 28.

The square root of 71712514 is about 8468.3241553450. The cubic root of 71712514 is about 415.4623269698.

It can be divided in two parts, 717 and 12514, that added together give a palindrome (13231).

The spelling of 71712514 in words is "seventy-one million, seven hundred twelve thousand, five hundred fourteen".