1370612728 has 16 divisors (see below), whose sum is σ = 2705157000. Its totient is φ = 649237536.

The previous prime is 1370612713. The next prime is 1370612759. The reversal of 1370612728 is 8272160731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4508443 + ... + 4508746.

Almost surely, 2^1370612728 is an apocalyptic number.

It is an amenable number.

1370612728 is a deficient number, since it is larger than the sum of its proper divisors (1334544272).

1370612728 is a wasteful number, since it uses less digits than its factorization.

1370612728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017214 (or 9017210 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1370612728 is about 37021.7872069947. The cubic root of 1370612728 is about 1110.8060935763.

The spelling of 1370612728 in words is "one billion, three hundred seventy million, six hundred twelve thousand, seven hundred twenty-eight".