42035247 has 16 divisors (see below), whose sum is σ = 62376960. Its totient is φ = 27977400.

The previous prime is 42035243. The next prime is 42035281. The reversal of 42035247 is 74253024.

It is not a de Polignac number, because 42035247 - 2² = 42035243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 42035247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42035243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25972 + ... + 27542.

It is an arithmetic number, because the mean of its divisors is an integer number (3898560).

Almost surely, 2^42035247 is an apocalyptic number.

42035247 is a deficient number, since it is larger than the sum of its proper divisors (20341713).

42035247 is a wasteful number, since it uses less digits than its factorization.

42035247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42035247 is about 6483.4594932027. The cubic root of 42035247 is about 347.6998750075.

The spelling of 42035247 in words is "forty-two million, thirty-five thousand, two hundred forty-seven".