40065703 has 2 divisors, whose sum is σ = 40065704. Its totient is φ = 40065702.

The previous prime is 40065689. The next prime is 40065713. The reversal of 40065703 is 30756004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40065703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40065713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20032851 + 20032852.

It is an arithmetic number, because the mean of its divisors is an integer number (20032852).

Almost surely, 2^40065703 is an apocalyptic number.

40065703 is a deficient number, since it is larger than the sum of its proper divisors (1).

40065703 is an equidigital number, since it uses as much as digits as its factorization.

40065703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40065703 is about 6329.7474673165. The cubic root of 40065703 is about 342.1823378203.

The spelling of 40065703 in words is "forty million, sixty-five thousand, seven hundred three".