7343645 has 4 divisors (see below), whose sum is σ = 8812380. Its totient is φ = 5874912.

The previous prime is 7343617. The next prime is 7343653. The reversal of 7343645 is 5463437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 6041764 = 1141^2 + 2458^2 .

It is a cyclic number.

It is not a de Polignac number, because 7343645 - 2⁸ = 7343389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734360 + ... + 734369.

It is an arithmetic number, because the mean of its divisors is an integer number (2203095).

Almost surely, 2^7343645 is an apocalyptic number.

It is an amenable number.

7343645 is a deficient number, since it is larger than the sum of its proper divisors (1468735).

7343645 is a wasteful number, since it uses less digits than its factorization.

7343645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468734.

The product of its digits is 30240, while the sum is 32.

The square root of 7343645 is about 2709.9160503602. The cubic root of 7343645 is about 194.3735760485.

The spelling of 7343645 in words is "seven million, three hundred forty-three thousand, six hundred forty-five".