71752427 has 4 divisors (see below), whose sum is σ = 75973176. Its totient is φ = 67531680.

The previous prime is 71752403. The next prime is 71752441. The reversal of 71752427 is 72425717.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71752427 - 2¹⁰ = 71751403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71752487) 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, 2110349 + ... + 2110382.

It is an arithmetic number, because the mean of its divisors is an integer number (18993294).

Almost surely, 2^71752427 is an apocalyptic number.

71752427 is a deficient number, since it is larger than the sum of its proper divisors (4220749).

71752427 is a wasteful number, since it uses less digits than its factorization.

71752427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220748.

The product of its digits is 27440, while the sum is 35.

The square root of 71752427 is about 8470.6804331175. The cubic root of 71752427 is about 415.5393905648.

The spelling of 71752427 in words is "seventy-one million, seven hundred fifty-two thousand, four hundred twenty-seven".