42503750 has 40 divisors (see below), whose sum is σ = 81911280. Its totient is φ = 16524000.

The previous prime is 42503749. The next prime is 42503753. The reversal of 42503750 is 5730524.

It is a congruent number.

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

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45791 + ... + 46709.

It is an arithmetic number, because the mean of its divisors is an integer number (2047782).

Almost surely, 2^42503750 is an apocalyptic number.

42503750 is a deficient number, since it is larger than the sum of its proper divisors (39407530).

42503750 is an equidigital number, since it uses as much as digits as its factorization.

42503750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 42503750 is about 6519.4900107294. The cubic root of 42503750 is about 348.9868660613.

It can be divided in two parts, 4250 and 3750, that added together give a cube (8000 = 20³).

The spelling of 42503750 in words is "forty-two million, five hundred three thousand, seven hundred fifty".