47491752 has 128 divisors (see below), whose sum is σ = 152985600. Its totient is φ = 11923200.

The previous prime is 47491729. The next prime is 47491771. The reversal of 47491752 is 25719474.

It is a self number, because there is not a number n which added to its sum of digits gives 47491752.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56874 + ... + 57702.

It is an arithmetic number, because the mean of its divisors is an integer number (1195200).

Almost surely, 2^47491752 is an apocalyptic number.

47491752 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47491752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76492800).

47491752 is an abundant number, since it is smaller than the sum of its proper divisors (105493848).

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

47491752 is a wasteful number, since it uses less digits than its factorization.

47491752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 883 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 47491752 is about 6891.4259772561. The cubic root of 47491752 is about 362.1368590098.

The spelling of 47491752 in words is "forty-seven million, four hundred ninety-one thousand, seven hundred fifty-two".