42499734 has 8 divisors (see below), whose sum is σ = 84999480. Its totient is φ = 14166576.

The previous prime is 42499733. The next prime is 42499741. The reversal of 42499734 is 43799424.

42499734 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.

42499734 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42499733) 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, 3541639 + ... + 3541650.

It is an arithmetic number, because the mean of its divisors is an integer number (10624935).

Almost surely, 2^42499734 is an apocalyptic number.

42499734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42499734 is a wasteful number, since it uses less digits than its factorization.

42499734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7083294.

The product of its digits is 217728, while the sum is 42.

The square root of 42499734 is about 6519.1820039020. The cubic root of 42499734 is about 348.9758742829.

The spelling of 42499734 in words is "forty-two million, four hundred ninety-nine thousand, seven hundred thirty-four".