627697 has 4 divisors (see below), whose sum is σ = 717376. Its totient is φ = 538020.

The previous prime is 627673. The next prime is 627709. The reversal of 627697 is 796726.

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 not a de Polignac number, because 627697 - 2¹⁵ = 594929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (627617) 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 3 ways as a sum of consecutive naturals, for example, 44829 + ... + 44842.

It is an arithmetic number, because the mean of its divisors is an integer number (179344).

2⁶²⁷⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

627697 is a deficient number, since it is larger than the sum of its proper divisors (89679).

627697 is an equidigital number, since it uses as much as digits as its factorization.

627697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89678.

The product of its digits is 31752, while the sum is 37.

The square root of 627697 is about 792.2733114273. The cubic root of 627697 is about 85.6216023302.

The spelling of 627697 in words is "six hundred twenty-seven thousand, six hundred ninety-seven".