42963778 has 16 divisors (see below), whose sum is σ = 75712896. Its totient is φ = 18026640.

The previous prime is 42963749. The next prime is 42963779. The reversal of 42963778 is 87736924.

It is not an unprimeable number, because it can be changed into a prime (42963779) 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, 74826 + ... + 75397.

It is an arithmetic number, because the mean of its divisors is an integer number (4732056).

Almost surely, 2^42963778 is an apocalyptic number.

42963778 is a deficient number, since it is larger than the sum of its proper divisors (32749118).

42963778 is a wasteful number, since it uses less digits than its factorization.

42963778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150249.

The product of its digits is 508032, while the sum is 46.

The square root of 42963778 is about 6554.6760408124. The cubic root of 42963778 is about 350.2414062452.

The spelling of 42963778 in words is "forty-two million, nine hundred sixty-three thousand, seven hundred seventy-eight".