1370874728 has 16 divisors (see below), whose sum is σ = 2570946180. Its totient is φ = 685289088.

The previous prime is 1370874721. The next prime is 1370874737. The reversal of 1370874728 is 8274780731.

It can be written as a sum of positive squares in 2 ways, for example, as 1337950084 + 32924644 = 36578^2 + 5738^2 .

It is not an unprimeable number, because it can be changed into a prime (1370874721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27476 + ... + 59132.

Almost surely, 2^1370874728 is an apocalyptic number.

It is an amenable number.

1370874728 is a deficient number, since it is larger than the sum of its proper divisors (1200071452).

1370874728 is a wasteful number, since it uses less digits than its factorization.

1370874728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37076 (or 37072 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 1370874728 is about 37025.3254948555. The cubic root of 1370874728 is about 1110.8768679213.

The spelling of 1370874728 in words is "one billion, three hundred seventy million, eight hundred seventy-four thousand, seven hundred twenty-eight".