747345 has 8 divisors (see below), whose sum is σ = 1195776. Its totient is φ = 398576.

The previous prime is 747343. The next prime is 747361. The reversal of 747345 is 543747.

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 747345 - 2¹ = 747343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24897 + ... + 24926.

It is an arithmetic number, because the mean of its divisors is an integer number (149472).

2⁷⁴⁷³⁴⁵ is an apocalyptic number.

It is an amenable number.

747345 is a deficient number, since it is larger than the sum of its proper divisors (448431).

747345 is a wasteful number, since it uses less digits than its factorization.

747345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49831.

The product of its digits is 11760, while the sum is 30.

The square root of 747345 is about 864.4911798278. The cubic root of 747345 is about 90.7486927693.

The spelling of 747345 in words is "seven hundred forty-seven thousand, three hundred forty-five".