42503793 has 8 divisors (see below), whose sum is σ = 59135808. Its totient is φ = 27103824.

The previous prime is 42503789. The next prime is 42503807. The reversal of 42503793 is 39730524.

It is a happy number.

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

It is not a de Polignac number, because 42503793 - 2² = 42503789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42503753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307930 + ... + 308067.

It is an arithmetic number, because the mean of its divisors is an integer number (7391976).

Almost surely, 2^42503793 is an apocalyptic number.

It is an amenable number.

42503793 is a deficient number, since it is larger than the sum of its proper divisors (16632015).

42503793 is a wasteful number, since it uses less digits than its factorization.

42503793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616023.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 42503793 is about 6519.4933085325. The cubic root of 42503793 is about 348.9869837484.

The spelling of 42503793 in words is "forty-two million, five hundred three thousand, seven hundred ninety-three".