1440707 has 2 divisors, whose sum is σ = 1440708. Its totient is φ = 1440706.

The previous prime is 1440689. The next prime is 1440727. The reversal of 1440707 is 7070441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440707 - 2¹⁴ = 1424323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1440727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720353 + 720354.

It is an arithmetic number, because the mean of its divisors is an integer number (720354).

2^1440707 is an apocalyptic number.

1440707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440707 is an equidigital number, since it uses as much as digits as its factorization.

1440707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1440707 is about 1200.2945471841. The cubic root of 1440707 is about 112.9428013440.

The spelling of 1440707 in words is "one million, four hundred forty thousand, seven hundred seven".