71752541 has 4 divisors (see below), whose sum is σ = 82002912. Its totient is φ = 61502172.

The previous prime is 71752523. The next prime is 71752553. The reversal of 71752541 is 14525717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71752541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71752498 and 71752507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71752561) 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, 5125175 + ... + 5125188.

It is an arithmetic number, because the mean of its divisors is an integer number (20500728).

Almost surely, 2^71752541 is an apocalyptic number.

It is an amenable number.

71752541 is a deficient number, since it is larger than the sum of its proper divisors (10250371).

71752541 is a wasteful number, since it uses less digits than its factorization.

71752541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250370.

The product of its digits is 9800, while the sum is 32.

The square root of 71752541 is about 8470.6871622083. The cubic root of 71752541 is about 415.5396106338.

The spelling of 71752541 in words is "seventy-one million, seven hundred fifty-two thousand, five hundred forty-one".