42636735 has 12 divisors (see below), whose sum is σ = 73903752. Its totient is φ = 22739568.

The previous prime is 42636719. The next prime is 42636791. The reversal of 42636735 is 53763624.

It is not a de Polignac number, because 42636735 - 2⁴ = 42636719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42636735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473697 + ... + 473786.

It is an arithmetic number, because the mean of its divisors is an integer number (6158646).

Almost surely, 2^42636735 is an apocalyptic number.

42636735 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42636735 is a deficient number, since it is larger than the sum of its proper divisors (31267017).

42636735 is a wasteful number, since it uses less digits than its factorization.

42636735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947494 (or 947491 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 42636735 is about 6529.6810795015. The cubic root of 42636735 is about 349.3504551568.

The spelling of 42636735 in words is "forty-two million, six hundred thirty-six thousand, seven hundred thirty-five".