42752971 has 8 divisors (see below), whose sum is σ = 43175664. Its totient is φ = 42332640.

The previous prime is 42752959. The next prime is 42752981. The reversal of 42752971 is 17925724.

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

It is a cyclic number.

It is not a de Polignac number, because 42752971 - 2¹¹ = 42750923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42752971.

It is not an unprimeable number, because it can be changed into a prime (42752911) 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, 72540 + ... + 73126.

It is an arithmetic number, because the mean of its divisors is an integer number (5396958).

Almost surely, 2^42752971 is an apocalyptic number.

42752971 is a deficient number, since it is larger than the sum of its proper divisors (422693).

42752971 is a wasteful number, since it uses less digits than its factorization.

42752971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181.

The product of its digits is 35280, while the sum is 37.

The square root of 42752971 is about 6538.5756094122. The cubic root of 42752971 is about 349.6676327765.

The spelling of 42752971 in words is "forty-two million, seven hundred fifty-two thousand, nine hundred seventy-one".