747241 has 4 divisors (see below), whose sum is σ = 815184. Its totient is φ = 679300.

The previous prime is 747239. The next prime is 747259. The reversal of 747241 is 142747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 747241 - 2¹ = 747239 is a prime.

It is a super-2 number, since 2×747241² = 1116738224162, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (747841) 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, 33955 + ... + 33976.

It is an arithmetic number, because the mean of its divisors is an integer number (203796).

2⁷⁴⁷²⁴¹ is an apocalyptic number.

It is an amenable number.

747241 is a deficient number, since it is larger than the sum of its proper divisors (67943).

747241 is a wasteful number, since it uses less digits than its factorization.

747241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67942.

The product of its digits is 1568, while the sum is 25.

The square root of 747241 is about 864.4310267453. The cubic root of 747241 is about 90.7444830661.

Adding to 747241 its reverse (142747), we get a palindrome (889988).

The spelling of 747241 in words is "seven hundred forty-seven thousand, two hundred forty-one", and thus it is an iban number.