9973477 has 4 divisors (see below), whose sum is σ = 10317420. Its totient is φ = 9629536.

The previous prime is 9973417. The next prime is 9973489. The reversal of 9973477 is 7743799.

9973477 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, and also an emirpimes, since its reverse is a distinct semiprime: 7743799 = 7 ⋅1106257.

It can be written as a sum of positive squares in 2 ways, for example, as 3818116 + 6155361 = 1954^2 + 2481^2 .

It is a cyclic number.

It is not a de Polignac number, because 9973477 - 2⁷ = 9973349 is a prime.

It is a Duffinian number.

9973477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973417) 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, 171928 + ... + 171985.

It is an arithmetic number, because the mean of its divisors is an integer number (2579355).

Almost surely, 2^9973477 is an apocalyptic number.

It is an amenable number.

9973477 is a deficient number, since it is larger than the sum of its proper divisors (343943).

9973477 is a wasteful number, since it uses less digits than its factorization.

9973477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343942.

The product of its digits is 333396, while the sum is 46.

The square root of 9973477 is about 3158.0812212481. The cubic root of 9973477 is about 215.2528267860.

The spelling of 9973477 in words is "nine million, nine hundred seventy-three thousand, four hundred seventy-seven".