42607663 has 4 divisors (see below), whose sum is σ = 48694480. Its totient is φ = 36520848.

The previous prime is 42607639. The next prime is 42607687. The reversal of 42607663 is 36670624.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42607639) and next prime (42607687).

It is not a de Polignac number, because 42607663 - 2²¹ = 40510511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42607613) 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 3 ways as a sum of consecutive naturals, for example, 3043398 + ... + 3043411.

It is an arithmetic number, because the mean of its divisors is an integer number (12173620).

Almost surely, 2^42607663 is an apocalyptic number.

42607663 is a deficient number, since it is larger than the sum of its proper divisors (6086817).

42607663 is an equidigital number, since it uses as much as digits as its factorization.

42607663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086816.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 42607663 is about 6527.4545574826. The cubic root of 42607663 is about 349.2710351787.

The spelling of 42607663 in words is "forty-two million, six hundred seven thousand, six hundred sixty-three".