7343649 has 16 divisors (see below), whose sum is σ = 11175040. Its totient is φ = 4762800.

The previous prime is 7343617. The next prime is 7343653. The reversal of 7343649 is 9463437.

7343649 is a `hidden beast` number, since 7 + 3 + 4 + 3 + 649 = 666.

It is not a de Polignac number, because 7343649 - 2⁵ = 7343617 is a prime.

It is an Ulam number.

It is a Duffinian number.

7343649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7343689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2677 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (698440).

Almost surely, 2^7343649 is an apocalyptic number.

It is an amenable number.

7343649 is a deficient number, since it is larger than the sum of its proper divisors (3831391).

7343649 is a wasteful number, since it uses less digits than its factorization.

7343649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397 (or 7391 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 7343649 is about 2709.9167883904. The cubic root of 7343649 is about 194.3736113396.

The spelling of 7343649 in words is "seven million, three hundred forty-three thousand, six hundred forty-nine".