7488739 has 2 divisors, whose sum is σ = 7488740. Its totient is φ = 7488738.

The previous prime is 7488737. The next prime is 7488769. The reversal of 7488739 is 9378847.

It is a weak prime.

It is an emirp because it is prime and its reverse (9378847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7488739 - 2¹ = 7488737 is a prime.

Together with 7488737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7488737) 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, 3744369 + 3744370.

It is an arithmetic number, because the mean of its divisors is an integer number (3744370).

Almost surely, 2^7488739 is an apocalyptic number.

7488739 is a deficient number, since it is larger than the sum of its proper divisors (1).

7488739 is an equidigital number, since it uses as much as digits as its factorization.

7488739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 7488739 is about 2736.5560472974. The cubic root of 7488739 is about 195.6453655981.

The spelling of 7488739 in words is "seven million, four hundred eighty-eight thousand, seven hundred thirty-nine".