42738803 has 2 divisors, whose sum is σ = 42738804. Its totient is φ = 42738802.

The previous prime is 42738781. The next prime is 42738821. The reversal of 42738803 is 30883724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42738803 is a prime.

It is not a weakly prime, because it can be changed into another prime (42738893) 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 as a sum of consecutive naturals, namely, 21369401 + 21369402.

It is an arithmetic number, because the mean of its divisors is an integer number (21369402).

Almost surely, 2^42738803 is an apocalyptic number.

42738803 is a deficient number, since it is larger than the sum of its proper divisors (1).

42738803 is an equidigital number, since it uses as much as digits as its factorization.

42738803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 42738803 is about 6537.4921032457. The cubic root of 42738803 is about 349.6290028033.

The spelling of 42738803 in words is "forty-two million, seven hundred thirty-eight thousand, eight hundred three".