2047432728 has 32 divisors (see below), whose sum is σ = 5583908160. Its totient is φ = 620434080.

The previous prime is 2047432721. The next prime is 2047432729. The reversal of 2047432728 is 8272347402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047432721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3877450 + ... + 3877977.

It is an arithmetic number, because the mean of its divisors is an integer number (174497130).

Almost surely, 2^2047432728 is an apocalyptic number.

It is an amenable number.

2047432728 is an abundant number, since it is smaller than the sum of its proper divisors (3536475432).

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

2047432728 is a wasteful number, since it uses less digits than its factorization.

2047432728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755447 (or 7755443 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 2047432728 is about 45248.5660325275. The cubic root of 2047432728 is about 1269.8035796834.

The spelling of 2047432728 in words is "two billion, forty-seven million, four hundred thirty-two thousand, seven hundred twenty-eight".