47075220 has 36 divisors (see below), whose sum is σ = 142795380. Its totient is φ = 12553344.

The previous prime is 47075219. The next prime is 47075221. The reversal of 47075220 is 2257074.

It is an interprime number because it is at equal distance from previous prime (47075219) and next prime (47075221).

It can be written as a sum of positive squares in 2 ways, for example, as 14653584 + 32421636 = 3828^2 + 5694^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47075221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130585 + ... + 130944.

Almost surely, 2^47075220 is an apocalyptic number.

It is an amenable number.

47075220 is an abundant number, since it is smaller than the sum of its proper divisors (95720160).

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

47075220 is a wasteful number, since it uses less digits than its factorization.

47075220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261544 (or 261539 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 47075220 is about 6861.1383895094. The cubic root of 47075220 is about 361.0750273127.

The spelling of 47075220 in words is "forty-seven million, seventy-five thousand, two hundred twenty".