690727 has 8 divisors (see below), whose sum is σ = 749952. Its totient is φ = 633600.

The previous prime is 690721. The next prime is 690757. The reversal of 690727 is 727096.

It is a happy number.

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 690727 - 2³ = 690719 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202 + ... + 1192.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

2⁶⁹⁰⁷²⁷ is an apocalyptic number.

690727 is a deficient number, since it is larger than the sum of its proper divisors (59225).

690727 is a wasteful number, since it uses less digits than its factorization.

690727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 690727 is about 831.0998736614. The cubic root of 690727 is about 88.3965829982.

The spelling of 690727 in words is "six hundred ninety thousand, seven hundred twenty-seven".