47285330 has 16 divisors (see below), whose sum is σ = 90120600. Its totient is φ = 17801472.

The previous prime is 47285291. The next prime is 47285339. The reversal of 47285330 is 3358274.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43784689 + 3500641 = 6617^2 + 1871^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47285339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138905 + ... + 139244.

Almost surely, 2^47285330 is an apocalyptic number.

47285330 is a deficient number, since it is larger than the sum of its proper divisors (42835270).

47285330 is a wasteful number, since it uses less digits than its factorization.

47285330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278173.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 47285330 is about 6876.4329415766. The cubic root of 47285330 is about 361.6114233427.

The spelling of 47285330 in words is "forty-seven million, two hundred eighty-five thousand, three hundred thirty".