47730240 has 84 divisors (see below), whose sum is σ = 164182044. Its totient is φ = 12727296.

The previous prime is 47730227. The next prime is 47730253. The reversal of 47730240 is 4203774.

It is an interprime number because it is at equal distance from previous prime (47730227) and next prime (47730253).

It can be written as a sum of positive squares in 2 ways, for example, as 24920064 + 22810176 = 4992^2 + 4776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5407 + ... + 11166.

Almost surely, 2^47730240 is an apocalyptic number.

47730240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47730240 is an abundant number, since it is smaller than the sum of its proper divisors (116451804).

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

47730240 is a wasteful number, since it uses less digits than its factorization.

47730240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596 (or 16583 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 47730240 is about 6908.7075491730. The cubic root of 47730240 is about 362.7420246614.

The spelling of 47730240 in words is "forty-seven million, seven hundred thirty thousand, two hundred forty".