47973432 has 64 divisors (see below), whose sum is σ = 130032000. Its totient is φ = 14661504.

The previous prime is 47973421. The next prime is 47973451. The reversal of 47973432 is 23437974.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55419 + ... + 56277.

It is an arithmetic number, because the mean of its divisors is an integer number (2031750).

Almost surely, 2^47973432 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 47973432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65016000).

47973432 is an abundant number, since it is smaller than the sum of its proper divisors (82058568).

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

47973432 is a wasteful number, since it uses less digits than its factorization.

47973432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1056 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 47973432 is about 6926.2855846406. The cubic root of 47973432 is about 363.3570544417.

The spelling of 47973432 in words is "forty-seven million, nine hundred seventy-three thousand, four hundred thirty-two".