48319728 has 40 divisors (see below), whose sum is σ = 125075328. Its totient is φ = 16074432.

The previous prime is 48319727. The next prime is 48319741. The reversal of 48319728 is 82791384.

It is a super-2 number, since 2×48319728² = 4669592227987968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48319728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48319721) 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, 44925 + ... + 45987.

Almost surely, 2^48319728 is an apocalyptic number.

48319728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

48319728 is an abundant number, since it is smaller than the sum of its proper divisors (76755600).

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

48319728 is a wasteful number, since it uses less digits than its factorization.

48319728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2015 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 48319728 is about 6951.2393139641. The cubic root of 48319728 is about 364.2292562144.

The spelling of 48319728 in words is "forty-eight million, three hundred nineteen thousand, seven hundred twenty-eight".