71752215 has 16 divisors (see below), whose sum is σ = 115060608. Its totient is φ = 38182176.

The previous prime is 71752159. The next prime is 71752231. The reversal of 71752215 is 51225717.

It is not a de Polignac number, because 71752215 - 2⁸ = 71751959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1884 + ... + 12126.

It is an arithmetic number, because the mean of its divisors is an integer number (7191288).

Almost surely, 2^71752215 is an apocalyptic number.

71752215 is a deficient number, since it is larger than the sum of its proper divisors (43308393).

71752215 is a wasteful number, since it uses less digits than its factorization.

71752215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718.

The product of its digits is 4900, while the sum is 30.

The square root of 71752215 is about 8470.6679193556. The cubic root of 71752215 is about 415.5389813129.

The spelling of 71752215 in words is "seventy-one million, seven hundred fifty-two thousand, two hundred fifteen".