761993 has 2 divisors, whose sum is σ = 761994. Its totient is φ = 761992.

The previous prime is 761983. The next prime is 762001. The reversal of 761993 is 399167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 262144 = 707^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 761993 - 2⁴ = 761977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (761963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380996 + 380997.

It is an arithmetic number, because the mean of its divisors is an integer number (380997).

2⁷⁶¹⁹⁹³ is an apocalyptic number.

It is an amenable number.

761993 is a deficient number, since it is larger than the sum of its proper divisors (1).

761993 is an equidigital number, since it uses as much as digits as its factorization.

761993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 35.

The square root of 761993 is about 872.9221041995. The cubic root of 761993 is about 91.3377538249.

The spelling of 761993 in words is "seven hundred sixty-one thousand, nine hundred ninety-three".