9729601 has 4 divisors (see below), whose sum is σ = 11119552. Its totient is φ = 8339652.

The previous prime is 9729571. The next prime is 9729613. The reversal of 9729601 is 1069279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1069279 = 929 ⋅1151.

It is a cyclic number.

It is not a de Polignac number, because 9729601 - 2¹⁵ = 9696833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9729641) 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, 694965 + ... + 694978.

It is an arithmetic number, because the mean of its divisors is an integer number (2779888).

Almost surely, 2^9729601 is an apocalyptic number.

It is an amenable number.

9729601 is a deficient number, since it is larger than the sum of its proper divisors (1389951).

9729601 is a wasteful number, since it uses less digits than its factorization.

9729601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389950.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 9729601 is about 3119.2308346770. The cubic root of 9729601 is about 213.4838420861.

The spelling of 9729601 in words is "nine million, seven hundred twenty-nine thousand, six hundred one".