679575 has 48 divisors (see below), whose sum is σ = 1312416. Its totient is φ = 307200.

The previous prime is 679561. The next prime is 679597. The reversal of 679575 is 575976.

679575 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 679575 - 2⁸ = 679319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16555 + ... + 16595.

It is an arithmetic number, because the mean of its divisors is an integer number (27342).

2⁶⁷⁹⁵⁷⁵ is an apocalyptic number.

679575 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

679575 is a deficient number, since it is larger than the sum of its proper divisors (632841).

679575 is a wasteful number, since it uses less digits than its factorization.

679575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 79 counting only the distinct ones).

The product of its digits is 66150, while the sum is 39.

The square root of 679575 is about 824.3633907446. The cubic root of 679575 is about 87.9182695015.

The spelling of 679575 in words is "six hundred seventy-nine thousand, five hundred seventy-five".