761969 has 4 divisors (see below), whose sum is σ = 820596. Its totient is φ = 703344.

The previous prime is 761963. The next prime is 761977. The reversal of 761969 is 969167.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 255025 = 712^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 761969 - 2⁸ = 761713 is a prime.

It is a super-2 number, since 2×761969² = 1161193513922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (761963) 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, 29294 + ... + 29319.

It is an arithmetic number, because the mean of its divisors is an integer number (205149).

2⁷⁶¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

761969 is a deficient number, since it is larger than the sum of its proper divisors (58627).

761969 is a wasteful number, since it uses less digits than its factorization.

761969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58626.

The product of its digits is 20412, while the sum is 38.

The square root of 761969 is about 872.9083571601. The cubic root of 761969 is about 91.3367948795.

The spelling of 761969 in words is "seven hundred sixty-one thousand, nine hundred sixty-nine".