1372728448 has 64 divisors (see below), whose sum is σ = 3365853120. Its totient is φ = 543052800.

The previous prime is 1372728439. The next prime is 1372728449. The reversal of 1372728448 is 8448272731.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1372728398 and 1372728407.

It is not an unprimeable number, because it can be changed into a prime (1372728449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47278 + ... + 70573.

It is an arithmetic number, because the mean of its divisors is an integer number (52591455).

Almost surely, 2^1372728448 is an apocalyptic number.

It is an amenable number.

1372728448 is an abundant number, since it is smaller than the sum of its proper divisors (1993124672).

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

1372728448 is a wasteful number, since it uses less digits than its factorization.

1372728448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117885 (or 117873 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 1372728448 is about 37050.3501737838. The cubic root of 1372728448 is about 1111.3773578970.

The spelling of 1372728448 in words is "one billion, three hundred seventy-two million, seven hundred twenty-eight thousand, four hundred forty-eight".