48431728 has 20 divisors (see below), whose sum is σ = 94165848. Its totient is φ = 24130880.

The previous prime is 48431723. The next prime is 48431729. The reversal of 48431728 is 82713484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48431723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478 + ... + 9853.

Almost surely, 2^48431728 is an apocalyptic number.

It is an amenable number.

48431728 is a deficient number, since it is larger than the sum of its proper divisors (45734120).

48431728 is a wasteful number, since it uses less digits than its factorization.

48431728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10632 (or 10626 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 48431728 is about 6959.2907684620. The cubic root of 48431728 is about 364.5104539808.

The spelling of 48431728 in words is "forty-eight million, four hundred thirty-one thousand, seven hundred twenty-eight".