42925170 has 48 divisors (see below), whose sum is σ = 109459008. Its totient is φ = 10771200.

The previous prime is 42925159. The next prime is 42925171. The reversal of 42925170 is 7152924.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42925171) 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, 6195 + ... + 11145.

It is an arithmetic number, because the mean of its divisors is an integer number (2280396).

Almost surely, 2^42925170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42925170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54729504).

42925170 is an abundant number, since it is smaller than the sum of its proper divisors (66533838).

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

42925170 is a wasteful number, since it uses less digits than its factorization.

42925170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 42925170 is about 6551.7303058047. The cubic root of 42925170 is about 350.1364637931.

The spelling of 42925170 in words is "forty-two million, nine hundred twenty-five thousand, one hundred seventy".