42633745 has 24 divisors (see below), whose sum is σ = 64274112. Its totient is φ = 26574240.

The previous prime is 42633737. The next prime is 42633761. The reversal of 42633745 is 54733624.

It is not a de Polignac number, because 42633745 - 2³ = 42633737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42633745.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799 + ... + 9268.

It is an arithmetic number, because the mean of its divisors is an integer number (2678088).

Almost surely, 2^42633745 is an apocalyptic number.

It is an amenable number.

42633745 is a deficient number, since it is larger than the sum of its proper divisors (21640367).

42633745 is a wasteful number, since it uses less digits than its factorization.

42633745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101 (or 10090 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 42633745 is about 6529.4521209670. The cubic root of 42633745 is about 349.3422886287.

It can be divided in two parts, 4263 and 3745, that added together give a palindrome (8008).

The spelling of 42633745 in words is "forty-two million, six hundred thirty-three thousand, seven hundred forty-five".