745747343 has 8 divisors (see below), whose sum is σ = 815671296. Its totient is φ = 676178200.

The previous prime is 745747291. The next prime is 745747357. The reversal of 745747343 is 343747547.

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 745747343 - 2⁸ = 745747087 is a prime.

It is a super-2 number, since 2×745747343² = 1112278199183119298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745747294 and 745747303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745747393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84293 + ... + 92718.

It is an arithmetic number, because the mean of its divisors is an integer number (101958912).

Almost surely, 2^745747343 is an apocalyptic number.

745747343 is a deficient number, since it is larger than the sum of its proper divisors (69923953).

745747343 is a wasteful number, since it uses less digits than its factorization.

745747343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177405.

The product of its digits is 987840, while the sum is 44.

The square root of 745747343 is about 27308.3749608064. The cubic root of 745747343 is about 906.8397980875.

The spelling of 745747343 in words is "seven hundred forty-five million, seven hundred forty-seven thousand, three hundred forty-three".