7400993 has 2 divisors, whose sum is σ = 7400994. Its totient is φ = 7400992.

The previous prime is 7400989. The next prime is 7401041. The reversal of 7400993 is 3990047.

It is a happy number.

7400993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7006609 + 394384 = 2647^2 + 628^2 .

It is an emirp because it is prime and its reverse (3990047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7400993 - 2² = 7400989 is a prime.

It is not a weakly prime, because it can be changed into another prime (7400903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3700496 + 3700497.

It is an arithmetic number, because the mean of its divisors is an integer number (3700497).

Almost surely, 2^7400993 is an apocalyptic number.

It is an amenable number.

7400993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7400993 is an equidigital number, since it uses as much as digits as its factorization.

7400993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 7400993 is about 2720.4766126545. The cubic root of 7400993 is about 194.8782321084.

The spelling of 7400993 in words is "seven million, four hundred thousand, nine hundred ninety-three".