42063449 has 8 divisors (see below), whose sum is σ = 43380480. Its totient is φ = 40764096.

The previous prime is 42063443. The next prime is 42063451. The reversal of 42063449 is 94436024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42063449 - 2⁴ = 42063433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42063443) 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, 497 + ... + 9185.

It is an arithmetic number, because the mean of its divisors is an integer number (5422560).

Almost surely, 2^42063449 is an apocalyptic number.

It is an amenable number.

42063449 is a deficient number, since it is larger than the sum of its proper divisors (1317031).

42063449 is a wasteful number, since it uses less digits than its factorization.

42063449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8839.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 42063449 is about 6485.6340476472. The cubic root of 42063449 is about 347.7776164304. Note that the first 3 decimals are identical.

The spelling of 42063449 in words is "forty-two million, sixty-three thousand, four hundred forty-nine".