42799734 has 48 divisors (see below), whose sum is σ = 98272512. Its totient is φ = 13433904.

The previous prime is 42799733. The next prime is 42799739. The reversal of 42799734 is 43799724.

42799734 is nontrivially palindromic in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 42799734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799733) 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, 26967 + ... + 28509.

It is an arithmetic number, because the mean of its divisors is an integer number (2047344).

Almost surely, 2^42799734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42799734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49136256).

42799734 is an abundant number, since it is smaller than the sum of its proper divisors (55472778).

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

42799734 is a wasteful number, since it uses less digits than its factorization.

42799734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1638 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 42799734 is about 6542.1505638437. The cubic root of 42799734 is about 349.7950745972.

The spelling of 42799734 in words is "forty-two million, seven hundred ninety-nine thousand, seven hundred thirty-four".