42735964 has 6 divisors (see below), whose sum is σ = 74787944. Its totient is φ = 21367980.

The previous prime is 42735961. The next prime is 42735971. The reversal of 42735964 is 46953724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42735961) 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, 5341992 + ... + 5341999.

Almost surely, 2^42735964 is an apocalyptic number.

It is an amenable number.

42735964 is a deficient number, since it is larger than the sum of its proper divisors (32051980).

42735964 is a wasteful number, since it uses less digits than its factorization.

42735964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683995 (or 10683993 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 42735964 is about 6537.2749674463. The cubic root of 42735964 is about 349.6212610585.

The spelling of 42735964 in words is "forty-two million, seven hundred thirty-five thousand, nine hundred sixty-four".