42503741 has 8 divisors (see below), whose sum is σ = 51132480. Its totient is φ = 34514208.

The previous prime is 42503633. The next prime is 42503749. The reversal of 42503741 is 14730524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42503741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42503741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42503749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159656 + ... + 159921.

It is an arithmetic number, because the mean of its divisors is an integer number (6391560).

Almost surely, 2^42503741 is an apocalyptic number.

It is an amenable number.

42503741 is a deficient number, since it is larger than the sum of its proper divisors (8628739).

42503741 is a wasteful number, since it uses less digits than its factorization.

42503741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319603.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42503741 is about 6519.4893204913. The cubic root of 42503741 is about 348.9868414291.

The spelling of 42503741 in words is "forty-two million, five hundred three thousand, seven hundred forty-one".