2742407 has 2 divisors, whose sum is σ = 2742408. Its totient is φ = 2742406.

The previous prime is 2742371. The next prime is 2742409. The reversal of 2742407 is 7042472.

2742407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2742407 - 2⁶ = 2742343 is a prime.

Together with 2742409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371203 + 1371204.

It is an arithmetic number, because the mean of its divisors is an integer number (1371204).

2^2742407 is an apocalyptic number.

2742407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742407 is an equidigital number, since it uses as much as digits as its factorization.

2742407 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 26.

The square root of 2742407 is about 1656.0214370593. The cubic root of 2742407 is about 139.9729029189.

Adding to 2742407 its reverse (7042472), we get a palindrome (9784879).

The spelling of 2742407 in words is "two million, seven hundred forty-two thousand, four hundred seven".