42917400 has 144 divisors (see below), whose sum is σ = 146095560. Its totient is φ = 11289600.

The previous prime is 42917393. The next prime is 42917417. The reversal of 42917400 is 471924.

It is a happy number.

42917400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 203295 + ... + 203505.

Almost surely, 2^42917400 is an apocalyptic number.

42917400 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 42917400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73047780).

42917400 is an abundant number, since it is smaller than the sum of its proper divisors (103178160).

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

42917400 is a wasteful number, since it uses less digits than its factorization.

42917400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42917400 is about 6551.1373058424. The cubic root of 42917400 is about 350.1153361386.

The spelling of 42917400 in words is "forty-two million, nine hundred seventeen thousand, four hundred".