747450497 has 2 divisors, whose sum is σ = 747450498. Its totient is φ = 747450496.

The previous prime is 747450493. The next prime is 747450523. The reversal of 747450497 is 794054747.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667240561 + 80209936 = 25831^2 + 8956^2 .

It is an emirp because it is prime and its reverse (794054747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747450497 - 2² = 747450493 is a prime.

It is not a weakly prime, because it can be changed into another prime (747450493) 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 as a sum of consecutive naturals, namely, 373725248 + 373725249.

It is an arithmetic number, because the mean of its divisors is an integer number (373725249).

Almost surely, 2^747450497 is an apocalyptic number.

It is an amenable number.

747450497 is a deficient number, since it is larger than the sum of its proper divisors (1).

747450497 is an equidigital number, since it uses as much as digits as its factorization.

747450497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 747450497 is about 27339.5409068989. The cubic root of 747450497 is about 907.5296266893.

The spelling of 747450497 in words is "seven hundred forty-seven million, four hundred fifty thousand, four hundred ninety-seven".