42799068 has 72 divisors (see below), whose sum is σ = 117717600. Its totient is φ = 13032576.

The previous prime is 42799063. The next prime is 42799069. The reversal of 42799068 is 86099724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50593 + ... + 51431.

Almost surely, 2^42799068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42799068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58858800).

42799068 is an abundant number, since it is smaller than the sum of its proper divisors (74918532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42799068 is a wasteful number, since it uses less digits than its factorization.

42799068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 42799068 is about 6542.0996629523. The cubic root of 42799068 is about 349.7932602189.

The spelling of 42799068 in words is "forty-two million, seven hundred ninety-nine thousand, sixty-eight".