734400009 has 12 divisors (see below), whose sum is σ = 1212342976. Its totient is φ = 419657112.

The previous prime is 734399977. The next prime is 734400041. The reversal of 734400009 is 900004437.

It is an interprime number because it is at equal distance from previous prime (734399977) and next prime (734400041).

It is not a de Polignac number, because 734400009 - 2⁵ = 734399977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734400109) 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 11 ways as a sum of consecutive naturals, for example, 5828509 + ... + 5828634.

Almost surely, 2^734400009 is an apocalyptic number.

It is an amenable number.

734400009 is a deficient number, since it is larger than the sum of its proper divisors (477942967).

734400009 is a wasteful number, since it uses less digits than its factorization.

734400009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11657156 (or 11657153 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 734400009 is about 27099.8156635797. The cubic root of 734400009 is about 902.2167614085.

The spelling of 734400009 in words is "seven hundred thirty-four million, four hundred thousand, nine".