42503740 has 48 divisors (see below), whose sum is σ = 95256000. Its totient is φ = 15875072.

The previous prime is 42503633. The next prime is 42503749. The reversal of 42503740 is 4730524.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50241 + ... + 51079.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^42503740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42503740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47628000).

42503740 is an abundant number, since it is smaller than the sum of its proper divisors (52752260).

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

42503740 is a wasteful number, since it uses less digits than its factorization.

42503740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42503740 is about 6519.4892437982. The cubic root of 42503740 is about 348.9868386922.

The spelling of 42503740 in words is "forty-two million, five hundred three thousand, seven hundred forty".