7940783 has 2 divisors, whose sum is σ = 7940784. Its totient is φ = 7940782.

The previous prime is 7940771. The next prime is 7940789. The reversal of 7940783 is 3870497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7940783 - 2⁶ = 7940719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7940789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3970391 + 3970392.

It is an arithmetic number, because the mean of its divisors is an integer number (3970392).

Almost surely, 2^7940783 is an apocalyptic number.

7940783 is a deficient number, since it is larger than the sum of its proper divisors (1).

7940783 is an equidigital number, since it uses as much as digits as its factorization.

7940783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7940783 is about 2817.9394954470. The cubic root of 7940783 is about 199.5053023802.

The spelling of 7940783 in words is "seven million, nine hundred forty thousand, seven hundred eighty-three".