7268739 has 8 divisors (see below), whose sum is σ = 9738432. Its totient is φ = 4822440.

The previous prime is 7268717. The next prime is 7268743. The reversal of 7268739 is 9378627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7268739 - 2¹² = 7264643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7268739.

It is not an unprimeable number, because it can be changed into a prime (7268749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5109 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (1217304).

Almost surely, 2^7268739 is an apocalyptic number.

7268739 is a deficient number, since it is larger than the sum of its proper divisors (2469693).

7268739 is a wasteful number, since it uses less digits than its factorization.

7268739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11697.

The product of its digits is 127008, while the sum is 42.

The square root of 7268739 is about 2696.0599028953. The cubic root of 7268739 is about 193.7104388183.

The spelling of 7268739 in words is "seven million, two hundred sixty-eight thousand, seven hundred thirty-nine".