42803730 has 24 divisors (see below), whose sum is σ = 111289932. Its totient is φ = 11414304.

The previous prime is 42803729. The next prime is 42803741. The reversal of 42803730 is 3730824.

It can be written as a sum of positive squares in 2 ways, for example, as 42653961 + 149769 = 6531^2 + 387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42803694 and 42803703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237709 + ... + 237888.

Almost surely, 2^42803730 is an apocalyptic number.

42803730 is an abundant number, since it is smaller than the sum of its proper divisors (68486202).

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

42803730 is a wasteful number, since it uses less digits than its factorization.

42803730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475610 (or 475607 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 42803730 is about 6542.4559608759. The cubic root of 42803730 is about 349.8059604718.

The spelling of 42803730 in words is "forty-two million, eight hundred three thousand, seven hundred thirty".