42713220 has 48 divisors (see below), whose sum is σ = 130471488. Its totient is φ = 10354560.

The previous prime is 42713213. The next prime is 42713239. The reversal of 42713220 is 2231724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31699 + ... + 33018.

It is an arithmetic number, because the mean of its divisors is an integer number (2718156).

Almost surely, 2^42713220 is an apocalyptic number.

It is an amenable number.

42713220 is an abundant number, since it is smaller than the sum of its proper divisors (87758268).

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

42713220 is a wasteful number, since it uses less digits than its factorization.

42713220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64740 (or 64738 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 42713220 is about 6535.5351731897. The cubic root of 42713220 is about 349.5592274590.

Adding to 42713220 its reverse (2231724), we get a palindrome (44944944).

The spelling of 42713220 in words is "forty-two million, seven hundred thirteen thousand, two hundred twenty".