734223653 has 4 divisors (see below), whose sum is σ = 759541740. Its totient is φ = 708905568.

The previous prime is 734223649. The next prime is 734223661. The reversal of 734223653 is 356322437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 582884449 + 151339204 = 24143^2 + 12302^2 .

It is a cyclic number.

It is not a de Polignac number, because 734223653 - 2² = 734223649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734223643) 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, 12659000 + ... + 12659057.

It is an arithmetic number, because the mean of its divisors is an integer number (189885435).

Almost surely, 2^734223653 is an apocalyptic number.

It is an amenable number.

734223653 is a deficient number, since it is larger than the sum of its proper divisors (25318087).

734223653 is a wasteful number, since it uses less digits than its factorization.

734223653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25318086.

The product of its digits is 90720, while the sum is 35.

The square root of 734223653 is about 27096.5616453453. The cubic root of 734223653 is about 902.1445373367.

The spelling of 734223653 in words is "seven hundred thirty-four million, two hundred twenty-three thousand, six hundred fifty-three".