42800794 has 4 divisors (see below), whose sum is σ = 64201194. Its totient is φ = 21400396.

The previous prime is 42800789. The next prime is 42800809. The reversal of 42800794 is 49700824.

It is a happy number.

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., 38900169 + 3900625 = 6237^2 + 1975^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10700197 + ... + 10700200.

Almost surely, 2^42800794 is an apocalyptic number.

42800794 is a deficient number, since it is larger than the sum of its proper divisors (21400400).

42800794 is a wasteful number, since it uses less digits than its factorization.

42800794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21400399.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42800794 is about 6542.2315764577. The cubic root of 42800794 is about 349.7979623076.

The spelling of 42800794 in words is "forty-two million, eight hundred thousand, seven hundred ninety-four".