42347400 has 96 divisors (see below), whose sum is σ = 132387360. Its totient is φ = 11197440.

The previous prime is 42347377. The next prime is 42347407. The reversal of 42347400 is 474324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42347407) 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, 97584 + ... + 98016.

It is an arithmetic number, because the mean of its divisors is an integer number (1379035).

Almost surely, 2^42347400 is an apocalyptic number.

42347400 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 42347400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66193680).

42347400 is an abundant number, since it is smaller than the sum of its proper divisors (90039960).

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

42347400 is a wasteful number, since it uses less digits than its factorization.

42347400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42347400 is about 6507.4879946105. The cubic root of 42347400 is about 348.5584243494.

The spelling of 42347400 in words is "forty-two million, three hundred forty-seven thousand, four hundred".