4542739 has 2 divisors, whose sum is σ = 4542740. Its totient is φ = 4542738.

The previous prime is 4542719. The next prime is 4542743. The reversal of 4542739 is 9372454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4542739 - 2⁷ = 4542611 is a prime.

It is not a weakly prime, because it can be changed into another prime (4542719) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271369 + 2271370.

It is an arithmetic number, because the mean of its divisors is an integer number (2271370).

Almost surely, 2^4542739 is an apocalyptic number.

4542739 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542739 is an equidigital number, since it uses as much as digits as its factorization.

4542739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 4542739 is about 2131.3702165508. The cubic root of 4542739 is about 165.6173870477.

The spelling of 4542739 in words is "four million, five hundred forty-two thousand, seven hundred thirty-nine".