75066220 has 24 divisors (see below), whose sum is σ = 166912704. Its totient is φ = 28260096.

The previous prime is 75066209. The next prime is 75066269. The reversal of 75066220 is 2266057.

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, 110052 + ... + 110731.

It is an arithmetic number, because the mean of its divisors is an integer number (6954696).

Almost surely, 2^75066220 is an apocalyptic number.

It is an amenable number.

75066220 is an abundant number, since it is smaller than the sum of its proper divisors (91846484).

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

75066220 is a wasteful number, since it uses less digits than its factorization.

75066220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220809 (or 220807 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 75066220 is about 8664.0764077887. The cubic root of 75066220 is about 421.8404119426.

The spelling of 75066220 in words is "seventy-five million, sixty-six thousand, two hundred twenty".