2240066737 has 8 divisors (see below), whose sum is σ = 2256287400. Its totient is φ = 2223871104.

The previous prime is 2240066707. The next prime is 2240066743. The reversal of 2240066737 is 7376600422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103408561 + 2136658176 = 10169^2 + 46224^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2240066737 - 2¹¹ = 2240064689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240066696 and 2240066705.

It is not an unprimeable number, because it can be changed into a prime (2240066707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196839 + ... + 207907.

It is an arithmetic number, because the mean of its divisors is an integer number (282035925).

Almost surely, 2^2240066737 is an apocalyptic number.

It is an amenable number.

2240066737 is a deficient number, since it is larger than the sum of its proper divisors (16220663).

2240066737 is a wasteful number, since it uses less digits than its factorization.

2240066737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 2240066737 is about 47329.3432977894. The cubic root of 2240066737 is about 1308.4395180626.

The spelling of 2240066737 in words is "two billion, two hundred forty million, sixty-six thousand, seven hundred thirty-seven".