42960081 has 8 divisors (see below), whose sum is σ = 57377824. Its totient is φ = 28591200.

The previous prime is 42960077. The next prime is 42960089. The reversal of 42960081 is 18006924.

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

It is not a de Polignac number, because 42960081 - 2² = 42960077 is a prime.

It is a super-2 number, since 2×42960081² = 3691137119053122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42960089) 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, 10111 + ... + 13716.

It is an arithmetic number, because the mean of its divisors is an integer number (7172228).

Almost surely, 2^42960081 is an apocalyptic number.

It is an amenable number.

42960081 is a deficient number, since it is larger than the sum of its proper divisors (14417743).

42960081 is a wasteful number, since it uses less digits than its factorization.

42960081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24431.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 42960081 is about 6554.3940223334. The cubic root of 42960081 is about 350.2313599560.

The spelling of 42960081 in words is "forty-two million, nine hundred sixty thousand, eighty-one".