42718500 has 144 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 10344000.

The previous prime is 42718471. The next prime is 42718519. The reversal of 42718500 is 581724.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49069 + ... + 49931.

It is an arithmetic number, because the mean of its divisors is an integer number (1022112).

Almost surely, 2^42718500 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 42718500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73592064).

42718500 is an abundant number, since it is smaller than the sum of its proper divisors (104465628).

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

42718500 is a wasteful number, since it uses less digits than its factorization.

42718500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 42718500 is about 6535.9391062035. The cubic root of 42718500 is about 349.5736304680.

The spelling of 42718500 in words is "forty-two million, seven hundred eighteen thousand, five hundred".