42633694 has 8 divisors (see below), whose sum is σ = 65679048. Its totient is φ = 20740680.

The previous prime is 42633691. The next prime is 42633707. The reversal of 42633694 is 49633624.

42633694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42633691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287992 + ... + 288139.

It is an arithmetic number, because the mean of its divisors is an integer number (8209881).

Almost surely, 2^42633694 is an apocalyptic number.

42633694 is a deficient number, since it is larger than the sum of its proper divisors (23045354).

42633694 is a wasteful number, since it uses less digits than its factorization.

42633694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576170.

The product of its digits is 93312, while the sum is 37.

The square root of 42633694 is about 6529.4482155845. The cubic root of 42633694 is about 349.3421493301.

The spelling of 42633694 in words is "forty-two million, six hundred thirty-three thousand, six hundred ninety-four".