746747 has 2 divisors, whose sum is σ = 746748. Its totient is φ = 746746.

The previous prime is 746743. The next prime is 746749. The reversal of 746747 is 747647.

It is a strong prime.

It is an emirp because it is prime and its reverse (747647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 746747 - 2² = 746743 is a prime.

Together with 746749, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (746743) by changing a digit.

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 as a sum of consecutive naturals, namely, 373373 + 373374.

It is an arithmetic number, because the mean of its divisors is an integer number (373374).

2⁷⁴⁶⁷⁴⁷ is an apocalyptic number.

746747 is a deficient number, since it is larger than the sum of its proper divisors (1).

746747 is an equidigital number, since it uses as much as digits as its factorization.

746747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 35.

The square root of 746747 is about 864.1452424217. The cubic root of 746747 is about 90.7244816401.

Subtracting 746747 from its reverse (747647), we obtain a square (900 = 30²).

The spelling of 746747 in words is "seven hundred forty-six thousand, seven hundred forty-seven".