42474000 has 80 divisors (see below), whose sum is σ = 136955520. Its totient is φ = 11324800.

The previous prime is 42473989. The next prime is 42474001. The reversal of 42474000 is 47424.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42474001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2461 + ... + 9539.

It is an arithmetic number, because the mean of its divisors is an integer number (1711944).

Almost surely, 2^42474000 is an apocalyptic number.

42474000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42474000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68477760).

42474000 is an abundant number, since it is smaller than the sum of its proper divisors (94481520).

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

42474000 is a wasteful number, since it uses less digits than its factorization.

42474000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105 (or 7089 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 42474000 is about 6517.2079911569. The cubic root of 42474000 is about 348.9054239725.

The spelling of 42474000 in words is "forty-two million, four hundred seventy-four thousand".