42499674 has 64 divisors (see below), whose sum is σ = 111686400. Its totient is φ = 11721024.

The previous prime is 42499631. The next prime is 42499687. The reversal of 42499674 is 47699424.

42499674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9024 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (1745100).

Almost surely, 2^42499674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42499674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55843200).

42499674 is an abundant number, since it is smaller than the sum of its proper divisors (69186726).

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

42499674 is a wasteful number, since it uses less digits than its factorization.

42499674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924 (or 3918 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 42499674 is about 6519.1774020961. The cubic root of 42499674 is about 348.9757100579.

The spelling of 42499674 in words is "forty-two million, four hundred ninety-nine thousand, six hundred seventy-four".