1372608648 has 48 divisors (see below), whose sum is σ = 3721664700. Its totient is φ = 457021440.

The previous prime is 1372608637. The next prime is 1372608661. The reversal of 1372608648 is 8468062731.

1372608648 is a `hidden beast` number, since 1 + 37 + 2 + 608 + 6 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1288666404 + 83942244 = 35898^2 + 9162^2 .

It is a super-3 number, since 3×1372608648³ (a number of 28 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 56628 + ... + 77148.

Almost surely, 2^1372608648 is an apocalyptic number.

1372608648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1372608648 is an abundant number, since it is smaller than the sum of its proper divisors (2349056052).

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

1372608648 is a wasteful number, since it uses less digits than its factorization.

1372608648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21462 (or 21455 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1372608648 is about 37048.7334196461. The cubic root of 1372608648 is about 1111.3450264525.

The spelling of 1372608648 in words is "one billion, three hundred seventy-two million, six hundred eight thousand, six hundred forty-eight".