42936730 has 48 divisors (see below), whose sum is σ = 83553120. Its totient is φ = 15880448.

The previous prime is 42936721. The next prime is 42936743. The reversal of 42936730 is 3763924.

42936730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a plaindrome in base 12.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 239781 + ... + 239959.

It is an arithmetic number, because the mean of its divisors is an integer number (1740690).

Almost surely, 2^42936730 is an apocalyptic number.

42936730 is a deficient number, since it is larger than the sum of its proper divisors (40616390).

42936730 is a wasteful number, since it uses less digits than its factorization.

42936730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 42936730 is about 6552.6124561124. The cubic root of 42936730 is about 350.1678922397.

The spelling of 42936730 in words is "forty-two million, nine hundred thirty-six thousand, seven hundred thirty".