1073728659 has 8 divisors (see below), whose sum is σ = 1436213392. Its totient is φ = 713531520.

The previous prime is 1073728657. The next prime is 1073728681. The reversal of 1073728659 is 9568273701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1073728659 - 2¹ = 1073728657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073728657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570802 + ... + 572679.

It is an arithmetic number, because the mean of its divisors is an integer number (179526674).

Almost surely, 2^1073728659 is an apocalyptic number.

1073728659 is a deficient number, since it is larger than the sum of its proper divisors (362484733).

1073728659 is a wasteful number, since it uses less digits than its factorization.

1073728659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143797.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1073728659 is about 32767.7991174262. The cubic root of 1073728659 is about 1023.9958149421.

The spelling of 1073728659 in words is "one billion, seventy-three million, seven hundred twenty-eight thousand, six hundred fifty-nine".