42781598 has 8 divisors (see below), whose sum is σ = 64314192. Its totient is φ = 21343536.

The previous prime is 42781589. The next prime is 42781619. The reversal of 42781598 is 89518724.

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

It is a congruent number.

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, 22490 + ... + 24317.

It is an arithmetic number, because the mean of its divisors is an integer number (8039274).

Almost surely, 2^42781598 is an apocalyptic number.

42781598 is a deficient number, since it is larger than the sum of its proper divisors (21532594).

42781598 is a wasteful number, since it uses less digits than its factorization.

42781598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47266.

The product of its digits is 161280, while the sum is 44.

The square root of 42781598 is about 6540.7643284252. The cubic root of 42781598 is about 349.7456601177.

The spelling of 42781598 in words is "forty-two million, seven hundred eighty-one thousand, five hundred ninety-eight".