42647039 has 8 divisors (see below), whose sum is σ = 45143280. Its totient is φ = 40176000.

The previous prime is 42647021. The next prime is 42647057. The reversal of 42647039 is 93074624.

It is an interprime number because it is at equal distance from previous prime (42647021) and next prime (42647057).

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 42647039 - 2¹⁶ = 42581503 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42647069) 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, 2762 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (5642910).

Almost surely, 2^42647039 is an apocalyptic number.

42647039 is a deficient number, since it is larger than the sum of its proper divisors (2496241).

42647039 is a wasteful number, since it uses less digits than its factorization.

42647039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42647039 is about 6530.4700443383. The cubic root of 42647039 is about 349.3785953443.

The spelling of 42647039 in words is "forty-two million, six hundred forty-seven thousand, thirty-nine".