761997 has 4 divisors (see below), whose sum is σ = 1016000. Its totient is φ = 507996.

The previous prime is 761993. The next prime is 762001. The reversal of 761997 is 799167.

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 an interprime number because it is at equal distance from previous prime (761993) and next prime (762001).

It is not a de Polignac number, because 761997 - 2² = 761993 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761993) 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, 126997 + ... + 127002.

It is an arithmetic number, because the mean of its divisors is an integer number (254000).

2⁷⁶¹⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

761997 is a deficient number, since it is larger than the sum of its proper divisors (254003).

761997 is a wasteful number, since it uses less digits than its factorization.

761997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254002.

The product of its digits is 23814, while the sum is 39.

The square root of 761997 is about 872.9243953516. The cubic root of 761997 is about 91.3379136472.

The spelling of 761997 in words is "seven hundred sixty-one thousand, nine hundred ninety-seven".