42798802 has 4 divisors (see below), whose sum is σ = 64198206. Its totient is φ = 21399400.

The previous prime is 42798799. The next prime is 42798827. The reversal of 42798802 is 20889724.

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., 36493681 + 6305121 = 6041^2 + 2511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10699699 + ... + 10699702.

Almost surely, 2^42798802 is an apocalyptic number.

42798802 is a deficient number, since it is larger than the sum of its proper divisors (21399404).

42798802 is a wasteful number, since it uses less digits than its factorization.

42798802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21399403.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 42798802 is about 6542.0793330561. The cubic root of 42798802 is about 349.7925355520.

The spelling of 42798802 in words is "forty-two million, seven hundred ninety-eight thousand, eight hundred two".