734508643 has 8 divisors (see below), whose sum is σ = 806387760. Its totient is φ = 663480480.

The previous prime is 734508629. The next prime is 734508661. The reversal of 734508643 is 346805437.

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

It is a cyclic number.

It is not a de Polignac number, because 734508643 - 2²⁵ = 700954211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 734508596 and 734508605.

It is not an unprimeable number, because it can be changed into a prime (734508623) 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, 210928 + ... + 214381.

It is an arithmetic number, because the mean of its divisors is an integer number (100798470).

Almost surely, 2^734508643 is an apocalyptic number.

734508643 is a deficient number, since it is larger than the sum of its proper divisors (71879117).

734508643 is a wasteful number, since it uses less digits than its factorization.

734508643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425477.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 734508643 is about 27101.8199204408. The cubic root of 734508643 is about 902.2612451513.

The spelling of 734508643 in words is "seven hundred thirty-four million, five hundred eight thousand, six hundred forty-three".