7440893 has 2 divisors, whose sum is σ = 7440894. Its totient is φ = 7440892.

The previous prime is 7440869. The next prime is 7440943. The reversal of 7440893 is 3980447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4761124 + 2679769 = 2182^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 7440893 - 2⁸ = 7440637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7440863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3720446 + 3720447.

It is an arithmetic number, because the mean of its divisors is an integer number (3720447).

Almost surely, 2^7440893 is an apocalyptic number.

It is an amenable number.

7440893 is a deficient number, since it is larger than the sum of its proper divisors (1).

7440893 is an equidigital number, since it uses as much as digits as its factorization.

7440893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7440893 is about 2727.8000293277. The cubic root of 7440893 is about 195.2278117706.

The spelling of 7440893 in words is "seven million, four hundred forty thousand, eight hundred ninety-three".