42798130 has 8 divisors (see below), whose sum is σ = 77036652. Its totient is φ = 17119248.

The previous prime is 42798121. The next prime is 42798143. The reversal of 42798130 is 3189724.

It can be written as a sum of positive squares in 2 ways, for example, as 41563809 + 1234321 = 6447^2 + 1111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139897 + ... + 2139916.

Almost surely, 2^42798130 is an apocalyptic number.

42798130 is a deficient number, since it is larger than the sum of its proper divisors (34238522).

42798130 is a wasteful number, since it uses less digits than its factorization.

42798130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279820.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 42798130 is about 6542.0279730371. The cubic root of 42798130 is about 349.7907048013.

The spelling of 42798130 in words is "forty-two million, seven hundred ninety-eight thousand, one hundred thirty".