732661997 has 2 divisors, whose sum is σ = 732661998. Its totient is φ = 732661996.

The previous prime is 732661883. The next prime is 732662011. The reversal of 732661997 is 799166237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 629558281 + 103103716 = 25091^2 + 10154^2 .

It is a cyclic number.

It is not a de Polignac number, because 732661997 - 2¹² = 732657901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (732666997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366330998 + 366330999.

It is an arithmetic number, because the mean of its divisors is an integer number (366330999).

Almost surely, 2^732661997 is an apocalyptic number.

It is an amenable number.

732661997 is a deficient number, since it is larger than the sum of its proper divisors (1).

732661997 is an equidigital number, since it uses as much as digits as its factorization.

732661997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 50.

The square root of 732661997 is about 27067.7298087594. The cubic root of 732661997 is about 901.5044782989.

The spelling of 732661997 in words is "seven hundred thirty-two million, six hundred sixty-one thousand, nine hundred ninety-seven".