42803870 has 16 divisors (see below), whose sum is σ = 79532928. Its totient is φ = 16569120.

The previous prime is 42803861. The next prime is 42803879. The reversal of 42803870 is 7830824.

It is an interprime number because it is at equal distance from previous prime (42803861) and next prime (42803879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42803879) 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, 68729 + ... + 69348.

It is an arithmetic number, because the mean of its divisors is an integer number (4970808).

Almost surely, 2^42803870 is an apocalyptic number.

42803870 is a deficient number, since it is larger than the sum of its proper divisors (36729058).

42803870 is a wasteful number, since it uses less digits than its factorization.

42803870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138115.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 42803870 is about 6542.4666602131. The cubic root of 42803870 is about 349.8063418466.

The spelling of 42803870 in words is "forty-two million, eight hundred three thousand, eight hundred seventy".