42804746 has 4 divisors (see below), whose sum is σ = 64207122. Its totient is φ = 21402372.

The previous prime is 42804731. The next prime is 42804757. The reversal of 42804746 is 64740824.

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

It can be written as a sum of positive squares in only one way, i.e., 42758521 + 46225 = 6539^2 + 215^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10701185 + ... + 10701188.

Almost surely, 2^42804746 is an apocalyptic number.

42804746 is a deficient number, since it is larger than the sum of its proper divisors (21402376).

42804746 is a wasteful number, since it uses less digits than its factorization.

42804746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402375.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 42804746 is about 6542.5336070975. The cubic root of 42804746 is about 349.8087281438.

The spelling of 42804746 in words is "forty-two million, eight hundred four thousand, seven hundred forty-six".