9013761 has 20 divisors (see below), whose sum is σ = 13548612. Its totient is φ = 5971968.

The previous prime is 9013747. The next prime is 9013811. The reversal of 9013761 is 1673109.

It can be written as a sum of positive squares in 2 ways, for example, as 5475600 + 3538161 = 2340^2 + 1881^2 .

It is not a de Polignac number, because 9013761 - 2⁵ = 9013729 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

9013761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9013061) 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 19 ways as a sum of consecutive naturals, for example, 20601 + ... + 21033.

Almost surely, 2^9013761 is an apocalyptic number.

It is an amenable number.

9013761 is a deficient number, since it is larger than the sum of its proper divisors (4534851).

9013761 is a wasteful number, since it uses less digits than its factorization.

9013761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 9013761 is about 3002.2926239792. The cubic root of 9013761 is about 208.1143432576.

The spelling of 9013761 in words is "nine million, thirteen thousand, seven hundred sixty-one".