42970176 has 112 divisors (see below), whose sum is σ = 128300480. Its totient is φ = 14276736.

The previous prime is 42970159. The next prime is 42970177. The reversal of 42970176 is 67107924.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 42970176.

It is not an unprimeable number, because it can be changed into a prime (42970177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139815 + ... + 140121.

It is an arithmetic number, because the mean of its divisors is an integer number (1145540).

Almost surely, 2^42970176 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 42970176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64150240).

42970176 is an abundant number, since it is smaller than the sum of its proper divisors (85330304).

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

42970176 is an frugal number, since it uses more digits than its factorization.

42970176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 42970176 is about 6555.1640711732. The cubic root of 42970176 is about 350.2587909151.

The spelling of 42970176 in words is "forty-two million, nine hundred seventy thousand, one hundred seventy-six".