9974145 has 32 divisors (see below), whose sum is σ = 17049600. Its totient is φ = 4964544.

The previous prime is 9974137. The next prime is 9974147. The reversal of 9974145 is 5414799.

It is not a de Polignac number, because 9974145 - 2³ = 9974137 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁷ + 9⁷ + 7⁴ + 4⁸ + 1 + 4⁹ + 5⁷ .

It is not an unprimeable number, because it can be changed into a prime (9974147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22294 + ... + 22736.

It is an arithmetic number, because the mean of its divisors is an integer number (532800).

Almost surely, 2^9974145 is an apocalyptic number.

9974145 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9974145 is a deficient number, since it is larger than the sum of its proper divisors (7075455).

9974145 is a wasteful number, since it uses less digits than its factorization.

9974145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

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

The square root of 9974145 is about 3158.1869798984. The cubic root of 9974145 is about 215.2576323878.

The spelling of 9974145 in words is "nine million, nine hundred seventy-four thousand, one hundred forty-five".