7400147 has 2 divisors, whose sum is σ = 7400148. Its totient is φ = 7400146.

The previous prime is 7400137. The next prime is 7400153. The reversal of 7400147 is 7410047.

It is a strong prime.

It is an emirp because it is prime and its reverse (7410047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7400147 - 2¹⁶ = 7334611 is a prime.

It is a Chen prime.

It is equal to p₅₀₁₉₇₁ and since 7400147 and 501971 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7400137) 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, 3700073 + 3700074.

It is an arithmetic number, because the mean of its divisors is an integer number (3700074).

Almost surely, 2^7400147 is an apocalyptic number.

7400147 is a deficient number, since it is larger than the sum of its proper divisors (1).

7400147 is an equidigital number, since it uses as much as digits as its factorization.

7400147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 7400147 is about 2720.3211207503. The cubic root of 7400147 is about 194.8708063811.

The spelling of 7400147 in words is "seven million, four hundred thousand, one hundred forty-seven".