42573408 has 48 divisors (see below), whose sum is σ = 113440320. Its totient is φ = 13977216.

The previous prime is 42573407. The next prime is 42573409. The reversal of 42573408 is 80437524.

It is an interprime number because it is at equal distance from previous prime (42573407) and next prime (42573409).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42573403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3123 + ... + 9741.

It is an arithmetic number, because the mean of its divisors is an integer number (2363340).

Almost surely, 2^42573408 is an apocalyptic number.

42573408 is a gapful number since it is divisible by the number (48) 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 42573408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56720160).

42573408 is an abundant number, since it is smaller than the sum of its proper divisors (70866912).

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

42573408 is a wasteful number, since it uses less digits than its factorization.

42573408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699 (or 6691 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 42573408 is about 6524.8301127309. The cubic root of 42573408 is about 349.1774097118.

The spelling of 42573408 in words is "forty-two million, five hundred seventy-three thousand, four hundred eight".