747230 has 16 divisors (see below), whose sum is σ = 1467504. Its totient is φ = 271680.

The previous prime is 747223. The next prime is 747239. The reversal of 747230 is 32747.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 747196 and 747205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747239) by changing a digit.

747230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (91719).

2⁷⁴⁷²³⁰ is an apocalyptic number.

747230 is a deficient number, since it is larger than the sum of its proper divisors (720274).

747230 is a wasteful number, since it uses less digits than its factorization.

747230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 747230 is about 864.4246641553. The cubic root of 747230 is about 90.7440377862.

Adding to 747230 its sum of digits (23), we get a triangular number (747253 = T₁₂₂₂).

Adding to 747230 its reverse (32747), we get a palindrome (779977).

The spelling of 747230 in words is "seven hundred forty-seven thousand, two hundred thirty".