42603366 has 16 divisors (see below), whose sum is σ = 91761264. Its totient is φ = 13108704.

The previous prime is 42603347. The next prime is 42603367. The reversal of 42603366 is 66330624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42603367) 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 in 7 ways as a sum of consecutive naturals, for example, 273021 + ... + 273176.

It is an arithmetic number, because the mean of its divisors is an integer number (5735079).

Almost surely, 2^42603366 is an apocalyptic number.

42603366 is an abundant number, since it is smaller than the sum of its proper divisors (49157898).

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

42603366 is a wasteful number, since it uses less digits than its factorization.

42603366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546215.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 42603366 is about 6527.1254009709. The cubic root of 42603366 is about 349.2592934090.

It can be divided in two parts, 4260 and 3366, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 42603366 in words is "forty-two million, six hundred three thousand, three hundred sixty-six".