7628723 has 2 divisors, whose sum is σ = 7628724. Its totient is φ = 7628722.

The previous prime is 7628717. The next prime is 7628741. The reversal of 7628723 is 3278267.

It is a weak prime.

It is an emirp because it is prime and its reverse (3278267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7628723 - 2⁶ = 7628659 is a prime.

It is a super-2 number, since 2×7628723² = 116394829221458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7628773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3814361 + 3814362.

It is an arithmetic number, because the mean of its divisors is an integer number (3814362).

Almost surely, 2^7628723 is an apocalyptic number.

7628723 is a deficient number, since it is larger than the sum of its proper divisors (1).

7628723 is an equidigital number, since it uses as much as digits as its factorization.

7628723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 7628723 is about 2762.0143011940. The cubic root of 7628723 is about 196.8568879953.

The spelling of 7628723 in words is "seven million, six hundred twenty-eight thousand, seven hundred twenty-three".