7649345 has 8 divisors (see below), whose sum is σ = 10013760. Its totient is φ = 5563120.

The previous prime is 7649311. The next prime is 7649347. The reversal of 7649345 is 5439467.

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

It is not a de Polignac number, because 7649345 - 2¹⁸ = 7387201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7649299 and 7649308.

It is not an unprimeable number, because it can be changed into a prime (7649347) 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, 69485 + ... + 69594.

It is an arithmetic number, because the mean of its divisors is an integer number (1251720).

Almost surely, 2^7649345 is an apocalyptic number.

It is an amenable number.

7649345 is a deficient number, since it is larger than the sum of its proper divisors (2364415).

7649345 is a wasteful number, since it uses less digits than its factorization.

7649345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139095.

The product of its digits is 90720, while the sum is 38.

The square root of 7649345 is about 2765.7449267783. The cubic root of 7649345 is about 197.0341098915.

The spelling of 7649345 in words is "seven million, six hundred forty-nine thousand, three hundred forty-five".