7420727 has 2 divisors, whose sum is σ = 7420728. Its totient is φ = 7420726.

The previous prime is 7420709. The next prime is 7420729. The reversal of 7420727 is 7270247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7420727 - 2¹⁴ = 7404343 is a prime.

It is a super-3 number, since 3×7420727³ (a number of 22 digits) contains 333 as substring.

Together with 7420729, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7420727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710363 + 3710364.

It is an arithmetic number, because the mean of its divisors is an integer number (3710364).

Almost surely, 2^7420727 is an apocalyptic number.

7420727 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420727 is an equidigital number, since it uses as much as digits as its factorization.

7420727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 7420727 is about 2724.1011361548. The cubic root of 7420727 is about 195.0512860939.

The spelling of 7420727 in words is "seven million, four hundred twenty thousand, seven hundred twenty-seven".