47752440 has 64 divisors (see below), whose sum is σ = 143769600. Its totient is φ = 12688512.

The previous prime is 47752433. The next prime is 47752457. The reversal of 47752440 is 4425774.

47752440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45441 + ... + 46479.

It is an arithmetic number, because the mean of its divisors is an integer number (2246400).

Almost surely, 2^47752440 is an apocalyptic number.

47752440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47752440 is an abundant number, since it is smaller than the sum of its proper divisors (96017160).

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

47752440 is a wasteful number, since it uses less digits than its factorization.

47752440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 47752440 is about 6910.3140304909. The cubic root of 47752440 is about 362.7982547353.

The spelling of 47752440 in words is "forty-seven million, seven hundred fifty-two thousand, four hundred forty".