7421401027 has 2 divisors, whose sum is σ = 7421401028. Its totient is φ = 7421401026.

The previous prime is 7421400997. The next prime is 7421401063. The reversal of 7421401027 is 7201041247.

It is a weak prime.

It is an emirp because it is prime and its reverse (7201041247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7421401027 - 2¹⁵ = 7421368259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7421400986 and 7421401004.

It is not a weakly prime, because it can be changed into another prime (7421401327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710700513 + 3710700514.

It is an arithmetic number, because the mean of its divisors is an integer number (3710700514).

Almost surely, 2^7421401027 is an apocalyptic number.

7421401027 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421401027 is an equidigital number, since it uses as much as digits as its factorization.

7421401027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 7421401027 is about 86147.5538074065. The cubic root of 7421401027 is about 1950.5719143861.

The spelling of 7421401027 in words is "seven billion, four hundred twenty-one million, four hundred one thousand, twenty-seven".