9952729 has 4 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 9946420.

The previous prime is 9952727. The next prime is 9952757. The reversal of 9952729 is 9272599.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9952729 - 2¹ = 9952727 is a prime.

It is a d-powerful number, because it can be written as 9 + 9 + 5⁹ + 2¹⁷ + 7⁸ + 2²¹ + 9⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9952727) 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, 1524 + ... + 4714.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^9952729 is an apocalyptic number.

It is an amenable number.

9952729 is a deficient number, since it is larger than the sum of its proper divisors (6311).

9952729 is a wasteful number, since it uses less digits than its factorization.

9952729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310.

The product of its digits is 102060, while the sum is 43.

The square root of 9952729 is about 3154.7946050417. The cubic root of 9952729 is about 215.1034584103.

The spelling of 9952729 in words is "nine million, nine hundred fifty-two thousand, seven hundred twenty-nine".