9740545 has 4 divisors (see below), whose sum is σ = 11688660. Its totient is φ = 7792432.

The previous prime is 9740543. The next prime is 9740551. The reversal of 9740545 is 5450479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5450479 = 59 ⋅92381.

It can be written as a sum of positive squares in 2 ways, for example, as 1669264 + 8071281 = 1292^2 + 2841^2 .

It is a cyclic number.

It is not a de Polignac number, because 9740545 - 2¹ = 9740543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9740545.

It is not an unprimeable number, because it can be changed into a prime (9740543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974050 + ... + 974059.

It is an arithmetic number, because the mean of its divisors is an integer number (2922165).

Almost surely, 2^9740545 is an apocalyptic number.

It is an amenable number.

9740545 is a deficient number, since it is larger than the sum of its proper divisors (1948115).

9740545 is a wasteful number, since it uses less digits than its factorization.

9740545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948114.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 9740545 is about 3120.9846202761. The cubic root of 9740545 is about 213.5638553611.

The spelling of 9740545 in words is "nine million, seven hundred forty thousand, five hundred forty-five".