7440061 has 2 divisors, whose sum is σ = 7440062. Its totient is φ = 7440060.

The previous prime is 7440049. The next prime is 7440089. The reversal of 7440061 is 1600447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5788836 + 1651225 = 2406^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 7440061 - 2⁷ = 7439933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7440011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3720030 + 3720031.

It is an arithmetic number, because the mean of its divisors is an integer number (3720031).

Almost surely, 2^7440061 is an apocalyptic number.

It is an amenable number.

7440061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7440061 is an equidigital number, since it uses as much as digits as its factorization.

7440061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7440061 is about 2727.6475212168. The cubic root of 7440061 is about 195.2205350636.

The spelling of 7440061 in words is "seven million, four hundred forty thousand, sixty-one".