9973429 has 4 divisors (see below), whose sum is σ = 10085580. Its totient is φ = 9861280.

The previous prime is 9973417. The next prime is 9973489. The reversal of 9973429 is 9243799.

9973429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5750404 + 4223025 = 2398^2 + 2055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9973429 is a prime.

It is a d-powerful number, because it can be written as 9 + 9 + 7⁸ + 3¹² + 4¹⁰ + 2²¹ + 9⁶ .

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973409) 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, 55942 + ... + 56119.

It is an arithmetic number, because the mean of its divisors is an integer number (2521395).

Almost surely, 2^9973429 is an apocalyptic number.

It is an amenable number.

9973429 is a deficient number, since it is larger than the sum of its proper divisors (112151).

9973429 is a wasteful number, since it uses less digits than its factorization.

9973429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112150.

The product of its digits is 122472, while the sum is 43.

The square root of 9973429 is about 3158.0736216878. The cubic root of 9973429 is about 215.2524814650.

The spelling of 9973429 in words is "nine million, nine hundred seventy-three thousand, four hundred twenty-nine".