42798742 has 8 divisors (see below), whose sum is σ = 73369296. Its totient is φ = 18342312.

The previous prime is 42798737. The next prime is 42798781. The reversal of 42798742 is 24789724.

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, 1528513 + ... + 1528540.

It is an arithmetic number, because the mean of its divisors is an integer number (9171162).

Almost surely, 2^42798742 is an apocalyptic number.

42798742 is a deficient number, since it is larger than the sum of its proper divisors (30570554).

42798742 is a wasteful number, since it uses less digits than its factorization.

42798742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057062.

The product of its digits is 225792, while the sum is 43.

The square root of 42798742 is about 6542.0747473565. The cubic root of 42798742 is about 349.7923720929.

The spelling of 42798742 in words is "forty-two million, seven hundred ninety-eight thousand, seven hundred forty-two".