7390723 has 2 divisors, whose sum is σ = 7390724. Its totient is φ = 7390722.

The previous prime is 7390693. The next prime is 7390729. The reversal of 7390723 is 3270937.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7390723 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (7390729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3695361 + 3695362.

It is an arithmetic number, because the mean of its divisors is an integer number (3695362).

Almost surely, 2^7390723 is an apocalyptic number.

7390723 is a deficient number, since it is larger than the sum of its proper divisors (1).

7390723 is an equidigital number, since it uses as much as digits as its factorization.

7390723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 7390723 is about 2718.5884204859. The cubic root of 7390723 is about 194.7880493493.

The spelling of 7390723 in words is "seven million, three hundred ninety thousand, seven hundred twenty-three".