9945741 has 8 divisors (see below), whose sum is σ = 14281120. Its totient is φ = 6120432.

The previous prime is 9945709. The next prime is 9945743. The reversal of 9945741 is 1475499.

9945741 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9945741 - 2⁵ = 9945709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 255019 = 9945741 / (9 + 9 + 4 + 5 + 7 + 4 + 1).

It is a d-powerful number, because it can be written as 9⁷ + 9⁷ + 4 + 5 + 7⁶ + 4⁹ + 1 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9945741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9945743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127471 + ... + 127548.

It is an arithmetic number, because the mean of its divisors is an integer number (1785140).

Almost surely, 2^9945741 is an apocalyptic number.

It is an amenable number.

9945741 is a deficient number, since it is larger than the sum of its proper divisors (4335379).

9945741 is a wasteful number, since it uses less digits than its factorization.

9945741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255035.

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

The square root of 9945741 is about 3153.6868899750. The cubic root of 9945741 is about 215.0531038827.

The spelling of 9945741 in words is "nine million, nine hundred forty-five thousand, seven hundred forty-one".