9974451 has 4 divisors (see below), whose sum is σ = 13299272. Its totient is φ = 6649632.

The previous prime is 9974443. The next prime is 9974473. The reversal of 9974451 is 1544799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1544799 = 3 ⋅514933.

It is not a de Polignac number, because 9974451 - 2³ = 9974443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9974401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662406 + ... + 1662411.

It is an arithmetic number, because the mean of its divisors is an integer number (3324818).

Almost surely, 2^9974451 is an apocalyptic number.

9974451 is a deficient number, since it is larger than the sum of its proper divisors (3324821).

9974451 is a wasteful number, since it uses less digits than its factorization.

9974451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324820.

The product of its digits is 45360, while the sum is 39.

The square root of 9974451 is about 3158.2354250435. The cubic root of 9974451 is about 215.2598336847.

The spelling of 9974451 in words is "nine million, nine hundred seventy-four thousand, four hundred fifty-one".