9746230729 has 9 divisors (see below), whose sum is σ = 9809324967. Its totient is φ = 9683541624.

The previous prime is 9746230727. The next prime is 9746230733. The reversal of 9746230729 is 9270326479.

It is a happy number.

The square root of 9746230729 is 98723.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 641254329 + 9104976400 = 25323^2 + 95420^2 .

It is not a de Polignac number, because 9746230729 - 2¹ = 9746230727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9746230727) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26556304 + ... + 26556670.

Almost surely, 2^9746230729 is an apocalyptic number.

9746230729 is the 98723-rd square number.

9746230729 is the 49362-nd centered octagonal number.

It is an amenable number.

9746230729 is a deficient number, since it is larger than the sum of its proper divisors (63094238).

9746230729 is an frugal number, since it uses more digits than its factorization.

9746230729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The cubic root of 9746230729 is about 2136.0540094945.

Multiplying 9746230729 by its sum of digits (49), we get a square (477565305721 = 691061²).

The spelling of 9746230729 in words is "nine billion, seven hundred forty-six million, two hundred thirty thousand, seven hundred twenty-nine".