42546746 has 20 divisors (see below), whose sum is σ = 70250010. Its totient is φ = 19326120.

The previous prime is 42546743. The next prime is 42546761. The reversal of 42546746 is 64764524.

It can be written as a sum of positive squares in only one way, i.e., 24611521 + 17935225 = 4961^2 + 4235^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42546743) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28556 + ... + 30008.

Almost surely, 2^42546746 is an apocalyptic number.

42546746 is a deficient number, since it is larger than the sum of its proper divisors (27703264).

42546746 is an equidigital number, since it uses as much as digits as its factorization.

42546746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499 (or 1466 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 42546746 is about 6522.7866744207. The cubic root of 42546746 is about 349.1045026034.

The spelling of 42546746 in words is "forty-two million, five hundred forty-six thousand, seven hundred forty-six".