734263009 has 4 divisors (see below), whose sum is σ = 734334100. Its totient is φ = 734191920.

The previous prime is 734262989. The next prime is 734263021. The reversal of 734263009 is 900362437.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 474150625 + 260112384 = 21775^2 + 16128^2 .

It is a cyclic number.

It is not a de Polignac number, because 734263009 - 2¹³ = 734254817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734264009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16734 + ... + 41815.

It is an arithmetic number, because the mean of its divisors is an integer number (183583525).

Almost surely, 2^734263009 is an apocalyptic number.

It is an amenable number.

734263009 is a deficient number, since it is larger than the sum of its proper divisors (71091).

734263009 is a wasteful number, since it uses less digits than its factorization.

734263009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71090.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 734263009 is about 27097.2878532151. The cubic root of 734263009 is about 902.1606560247.

The spelling of 734263009 in words is "seven hundred thirty-four million, two hundred sixty-three thousand, nine".