72750271 has 8 divisors (see below), whose sum is σ = 79668864. Its totient is φ = 65882520.

The previous prime is 72750269. The next prime is 72750283. The reversal of 72750271 is 17205727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72750271 - 2¹ = 72750269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72750071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9681 + ... + 15466.

It is an arithmetic number, because the mean of its divisors is an integer number (9958608).

Almost surely, 2^72750271 is an apocalyptic number.

72750271 is a deficient number, since it is larger than the sum of its proper divisors (6918593).

72750271 is a wasteful number, since it uses less digits than its factorization.

72750271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25421.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 72750271 is about 8529.3769409025. The cubic root of 72750271 is about 417.4567988095.

Adding to 72750271 its reverse (17205727), we get a palindrome (89955998).

The spelling of 72750271 in words is "seventy-two million, seven hundred fifty thousand, two hundred seventy-one".