1370755728 has 60 divisors (see below), whose sum is σ = 3863867280. Its totient is φ = 453624768.

The previous prime is 1370755723. The next prime is 1370755753. The reversal of 1370755728 is 8275570731.

1370755728 is a `hidden beast` number, since 1 + 3 + 7 + 0 + 75 + 572 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1370755721) 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 11 ways as a sum of consecutive naturals, for example, 14226 + ... + 54257.

It is an arithmetic number, because the mean of its divisors is an integer number (64397788).

Almost surely, 2^1370755728 is an apocalyptic number.

1370755728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1370755728 is an abundant number, since it is smaller than the sum of its proper divisors (2493111552).

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

1370755728 is a wasteful number, since it uses less digits than its factorization.

1370755728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68636 (or 68627 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 1370755728 is about 37023.7184518249. The cubic root of 1370755728 is about 1110.8447234397.

The spelling of 1370755728 in words is "one billion, three hundred seventy million, seven hundred fifty-five thousand, seven hundred twenty-eight".