7738345 has 8 divisors (see below), whose sum is σ = 9302976. Its totient is φ = 6179376.

The previous prime is 7738343. The next prime is 7738351. The reversal of 7738345 is 5438377.

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

It is a cyclic number.

It is not a de Polignac number, because 7738345 - 2¹ = 7738343 is a prime.

It is a Duffinian number.

7738345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7738343) 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, 2674 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (1162872).

Almost surely, 2^7738345 is an apocalyptic number.

It is an amenable number.

7738345 is a deficient number, since it is larger than the sum of its proper divisors (1564631).

7738345 is a wasteful number, since it uses less digits than its factorization.

7738345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831.

The product of its digits is 70560, while the sum is 37.

The square root of 7738345 is about 2781.7880940144. The cubic root of 7738345 is about 197.7953280750.

Subtracting from 7738345 its reverse (5438377), we obtain a cube (2299968 = 132³).

The spelling of 7738345 in words is "seven million, seven hundred thirty-eight thousand, three hundred forty-five".