42733170 has 40 divisors (see below), whose sum is σ = 114906924. Its totient is φ = 11395296.

The previous prime is 42733157. The next prime is 42733181. The reversal of 42733170 is 7133724.

It can be written as a sum of positive squares in 2 ways, for example, as 41873841 + 859329 = 6471^2 + 927^2 .

It is a super-2 number, since 2×42733170² = 3652247636497800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 25569 + ... + 27188.

Almost surely, 2^42733170 is an apocalyptic number.

42733170 is an abundant number, since it is smaller than the sum of its proper divisors (72173754).

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

42733170 is a wasteful number, since it uses less digits than its factorization.

42733170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52776 (or 52767 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 42733170 is about 6537.0612663490. The cubic root of 42733170 is about 349.6136416906.

Adding to 42733170 its reverse (7133724), we get a palindrome (49866894).

The spelling of 42733170 in words is "forty-two million, seven hundred thirty-three thousand, one hundred seventy".