42741247 has 8 divisors (see below), whose sum is σ = 45457200. Its totient is φ = 40047744.

The previous prime is 42741227. The next prime is 42741289. The reversal of 42741247 is 74214724.

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 42741247 - 2⁷ = 42741119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42741227) 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, 1597 + ... + 9382.

It is an arithmetic number, because the mean of its divisors is an integer number (5682150).

Almost surely, 2^42741247 is an apocalyptic number.

42741247 is a deficient number, since it is larger than the sum of its proper divisors (2715953).

42741247 is a wasteful number, since it uses less digits than its factorization.

42741247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11225.

The product of its digits is 12544, while the sum is 31.

The square root of 42741247 is about 6537.6790224054. The cubic root of 42741247 is about 349.6356671374.

The spelling of 42741247 in words is "forty-two million, seven hundred forty-one thousand, two hundred forty-seven".