761729 has 8 divisors (see below), whose sum is σ = 819840. Its totient is φ = 705456.

The previous prime is 761713. The next prime is 761731. The reversal of 761729 is 927167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 761729 - 2⁴ = 761713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 761695 and 761704.

It is not an unprimeable number, because it can be changed into a prime (761779) 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 in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2⁷⁶¹⁷²⁹ is an apocalyptic number.

It is an amenable number.

761729 is a deficient number, since it is larger than the sum of its proper divisors (58111).

761729 is a wasteful number, since it uses less digits than its factorization.

761729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its digits is 5292, while the sum is 32.

The square root of 761729 is about 872.7708748578. The cubic root of 761729 is about 91.3272043176.

The spelling of 761729 in words is "seven hundred sixty-one thousand, seven hundred twenty-nine".