734373643 has 4 divisors (see below), whose sum is σ = 734448880. Its totient is φ = 734298408.

The previous prime is 734373593. The next prime is 734373659. The reversal of 734373643 is 346373437.

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, and also an emirpimes, since its reverse is a distinct semiprime: 346373437 = 3803 ⋅91079.

It is a cyclic number.

It is not a de Polignac number, because 734373643 - 2¹⁷ = 734242571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 734373596 and 734373605.

It is not an unprimeable number, because it can be changed into a prime (734373943) 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, 20328 + ... + 43381.

It is an arithmetic number, because the mean of its divisors is an integer number (183612220).

Almost surely, 2^734373643 is an apocalyptic number.

734373643 is a deficient number, since it is larger than the sum of its proper divisors (75237).

734373643 is a wasteful number, since it uses less digits than its factorization.

734373643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75236.

The product of its digits is 381024, while the sum is 40.

The square root of 734373643 is about 27099.3291983399. The cubic root of 734373643 is about 902.2059643263.

The spelling of 734373643 in words is "seven hundred thirty-four million, three hundred seventy-three thousand, six hundred forty-three".