761687 has 4 divisors (see below), whose sum is σ = 766416. Its totient is φ = 756960.

The previous prime is 761681. The next prime is 761689. The reversal of 761687 is 786167.

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

It is a cyclic number.

It is not a de Polignac number, because 761687 - 2⁴ = 761671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 761687.

It is not an unprimeable number, because it can be changed into a prime (761681) 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, 2114 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (191604).

2⁷⁶¹⁶⁸⁷ is an apocalyptic number.

761687 is a deficient number, since it is larger than the sum of its proper divisors (4729).

761687 is a wasteful number, since it uses less digits than its factorization.

761687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728.

The product of its digits is 14112, while the sum is 35.

The square root of 761687 is about 872.7468132282. The cubic root of 761687 is about 91.3255257621.

The spelling of 761687 in words is "seven hundred sixty-one thousand, six hundred eighty-seven".