42837220 has 24 divisors (see below), whose sum is σ = 90393408. Its totient is φ = 17052000.

The previous prime is 42837209. The next prime is 42837259. The reversal of 42837220 is 2273824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856 + ... + 9295.

It is an arithmetic number, because the mean of its divisors is an integer number (3766392).

Almost surely, 2^42837220 is an apocalyptic number.

It is an amenable number.

42837220 is an abundant number, since it is smaller than the sum of its proper divisors (47556188).

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

42837220 is a wasteful number, since it uses less digits than its factorization.

42837220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371 (or 10369 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42837220 is about 6545.0148968509. The cubic root of 42837220 is about 349.8971670687.

The spelling of 42837220 in words is "forty-two million, eight hundred thirty-seven thousand, two hundred twenty".