1007814728 has 16 divisors (see below), whose sum is σ = 1954813500. Its totient is φ = 486531136.

The previous prime is 1007814721. The next prime is 1007814751. The reversal of 1007814728 is 8274187001.

It can be written as a sum of positive squares in 2 ways, for example, as 881971204 + 125843524 = 29698^2 + 11218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1007814691 and 1007814700.

It is not an unprimeable number, because it can be changed into a prime (1007814721) 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, 2171783 + ... + 2172246.

Almost surely, 2^1007814728 is an apocalyptic number.

It is an amenable number.

1007814728 is a deficient number, since it is larger than the sum of its proper divisors (946998772).

1007814728 is a wasteful number, since it uses less digits than its factorization.

1007814728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344064 (or 4344060 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 1007814728 is about 31746.0978389471. The cubic root of 1007814728 is about 1002.5981530877.

The spelling of 1007814728 in words is "one billion, seven million, eight hundred fourteen thousand, seven hundred twenty-eight".