47916432 has 60 divisors (see below), whose sum is σ = 134706780. Its totient is φ = 15899904.

The previous prime is 47916431. The next prime is 47916433. The reversal of 47916432 is 23461974.

47916432 is a `hidden beast` number, since 4 + 7 + 9 + 1 + 643 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (47916431) and next prime (47916433).

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 30074256 = 4224^2 + 5484^2 .

It is a super-2 number, since 2×47916432² = 4591968911221248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47916431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38118 + ... + 39354.

It is an arithmetic number, because the mean of its divisors is an integer number (2245113).

Almost surely, 2^47916432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47916432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67353390).

47916432 is an abundant number, since it is smaller than the sum of its proper divisors (86790348).

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

47916432 is a wasteful number, since it uses less digits than its factorization.

47916432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1511 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 47916432 is about 6922.1696020829. The cubic root of 47916432 is about 363.2130889213.

The spelling of 47916432 in words is "forty-seven million, nine hundred sixteen thousand, four hundred thirty-two".