734649 has 8 divisors (see below), whose sum is σ = 984672. Its totient is φ = 487200.

The previous prime is 734647. The next prime is 734653. The reversal of 734649 is 946437.

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

It is not a de Polignac number, because 734649 - 2¹ = 734647 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (734647) 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, 174 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (123084).

2⁷³⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

734649 is a deficient number, since it is larger than the sum of its proper divisors (250023).

734649 is a wasteful number, since it uses less digits than its factorization.

734649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287.

The product of its digits is 18144, while the sum is 33.

The square root of 734649 is about 857.1166781716. The cubic root of 734649 is about 90.2318712420.

The spelling of 734649 in words is "seven hundred thirty-four thousand, six hundred forty-nine".