9974345 has 4 divisors (see below), whose sum is σ = 11969220. Its totient is φ = 7979472.

The previous prime is 9974339. The next prime is 9974351. The reversal of 9974345 is 5434799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5434799 = 337 ⋅16127.

It is an interprime number because it is at equal distance from previous prime (9974339) and next prime (9974351).

It can be written as a sum of positive squares in 2 ways, for example, as 1430416 + 8543929 = 1196^2 + 2923^2 .

It is a cyclic number.

It is not a de Polignac number, because 9974345 - 2¹⁰ = 9973321 is a prime.

It is a d-powerful number, because it can be written as 9³ + 9³ + 7⁸ + 4⁶ + 3⁸ + 4¹¹ + 5⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997430 + ... + 997439.

It is an arithmetic number, because the mean of its divisors is an integer number (2992305).

Almost surely, 2^9974345 is an apocalyptic number.

It is an amenable number.

9974345 is a deficient number, since it is larger than the sum of its proper divisors (1994875).

9974345 is a wasteful number, since it uses less digits than its factorization.

9974345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994874.

The product of its digits is 136080, while the sum is 41.

The square root of 9974345 is about 3158.2186434761. The cubic root of 9974345 is about 215.2590711490.

The spelling of 9974345 in words is "nine million, nine hundred seventy-four thousand, three hundred forty-five".