42934100 has 72 divisors (see below), whose sum is σ = 106118208. Its totient is φ = 14924800.

The previous prime is 42934079. The next prime is 42934103. The reversal of 42934100 is 143924.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42934103) 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, 24452 + ... + 26148.

It is an arithmetic number, because the mean of its divisors is an integer number (1473864).

Almost surely, 2^42934100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42934100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53059104).

42934100 is an abundant number, since it is smaller than the sum of its proper divisors (63184108).

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

42934100 is a wasteful number, since it uses less digits than its factorization.

42934100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 42934100 is about 6552.4117697227. The cubic root of 42934100 is about 350.1607424919.

It can be divided in two parts, 42934 and 100, that added together give a palindrome (43034).

The spelling of 42934100 in words is "forty-two million, nine hundred thirty-four thousand, one hundred".