747228343 has 4 divisors (see below), whose sum is σ = 749615968. Its totient is φ = 744840720.

The previous prime is 747228331. The next prime is 747228359. The reversal of 747228343 is 343822747.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747228343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747228296 and 747228305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747268343) 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, 1193343 + ... + 1193968.

It is an arithmetic number, because the mean of its divisors is an integer number (187403992).

Almost surely, 2^747228343 is an apocalyptic number.

747228343 is a deficient number, since it is larger than the sum of its proper divisors (2387625).

747228343 is a wasteful number, since it uses less digits than its factorization.

747228343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387624.

The product of its digits is 225792, while the sum is 40.

The square root of 747228343 is about 27335.4777349875. The cubic root of 747228343 is about 907.4397071049.

The spelling of 747228343 in words is "seven hundred forty-seven million, two hundred twenty-eight thousand, three hundred forty-three".