7691345 has 8 divisors (see below), whose sum is σ = 9311976. Its totient is φ = 6098176.

The previous prime is 7691339. The next prime is 7691347. The reversal of 7691345 is 5431967.

It can be written as a sum of positive squares in 4 ways, for example, as 1117249 + 6574096 = 1057^2 + 2564^2 .

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 7691345 - 2⁴ = 7691329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7691347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6242 + ... + 7371.

It is an arithmetic number, because the mean of its divisors is an integer number (1163997).

Almost surely, 2^7691345 is an apocalyptic number.

It is an amenable number.

7691345 is a deficient number, since it is larger than the sum of its proper divisors (1620631).

7691345 is a wasteful number, since it uses less digits than its factorization.

7691345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13731.

The product of its digits is 22680, while the sum is 35.

The square root of 7691345 is about 2773.3274238719. The cubic root of 7691345 is about 197.3940680652.

The spelling of 7691345 in words is "seven million, six hundred ninety-one thousand, three hundred forty-five".