42803506 has 16 divisors (see below), whose sum is σ = 67161600. Its totient is φ = 20459604.

The previous prime is 42803503. The next prime is 42803539. The reversal of 42803506 is 60530824.

It is not an unprimeable number, because it can be changed into a prime (42803503) 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, 23455 + ... + 25213.

It is an arithmetic number, because the mean of its divisors is an integer number (4197600).

Almost surely, 2^42803506 is an apocalyptic number.

42803506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42803506 is a deficient number, since it is larger than the sum of its proper divisors (24358094).

42803506 is an equidigital number, since it uses as much as digits as its factorization.

42803506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42803506 is about 6542.4388418999. The cubic root of 42803506 is about 349.8053502706.

The spelling of 42803506 in words is "forty-two million, eight hundred three thousand, five hundred six".