48720000 has 320 divisors, whose sum is σ = 191188800. Its totient is φ = 10752000.

The previous prime is 48719963. The next prime is 48720019. The reversal of 48720000 is 2784.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1679986 + ... + 1680014.

It is an arithmetic number, because the mean of its divisors is an integer number (597465).

Almost surely, 2^48720000 is an apocalyptic number.

48720000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95594400).

48720000 is an abundant number, since it is smaller than the sum of its proper divisors (142468800).

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

48720000 is an equidigital number, since it uses as much as digits as its factorization.

48720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 48720000 is about 6979.9713466461. The cubic root of 48720000 is about 365.2322285208.

Adding to 48720000 its reverse (2784), we get a palindrome (48722784).

The spelling of 48720000 in words is "forty-eight million, seven hundred twenty thousand".