47452720 has 40 divisors (see below), whose sum is σ = 126090144. Its totient is φ = 16269312.

The previous prime is 47452673. The next prime is 47452739. The reversal of 47452720 is 2725474.

It is a tau number, because it is divible by the number of its divisors (40).

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, 41809 + ... + 42928.

Almost surely, 2^47452720 is an apocalyptic number.

47452720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47452720 is an abundant number, since it is smaller than the sum of its proper divisors (78637424).

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

47452720 is a wasteful number, since it uses less digits than its factorization.

47452720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84757 (or 84751 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47452720 is about 6888.5934703682. The cubic root of 47452720 is about 362.0376221289.

The spelling of 47452720 in words is "forty-seven million, four hundred fifty-two thousand, seven hundred twenty".