42070280 has 64 divisors (see below), whose sum is σ = 108743040. Its totient is φ = 14349312.

The previous prime is 42070267. The next prime is 42070283. The reversal of 42070280 is 8207024.

It is a super-3 number, since 3×42070280³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42070283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96944 + ... + 97376.

It is an arithmetic number, because the mean of its divisors is an integer number (1699110).

Almost surely, 2^42070280 is an apocalyptic number.

42070280 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 42070280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54371520).

42070280 is an abundant number, since it is smaller than the sum of its proper divisors (66672760).

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

42070280 is a wasteful number, since it uses less digits than its factorization.

42070280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 42070280 is about 6486.1606517261. The cubic root of 42070280 is about 347.7964414860.

The spelling of 42070280 in words is "forty-two million, seventy thousand, two hundred eighty".