679140 has 144 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 141120.

The previous prime is 679127. The next prime is 679153. The reversal of 679140 is 41976.

679140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (679127) and next prime (679153).

It is a super-2 number, since 2×679140² = 922462279200, which contains 22 as substring.

It is an unprimeable number.

679140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61735 + ... + 61745.

It is an arithmetic number, because the mean of its divisors is an integer number (18200).

2⁶⁷⁹¹⁴⁰ is an apocalyptic number.

679140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310400).

679140 is an abundant number, since it is smaller than the sum of its proper divisors (1941660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679140 is a wasteful number, since it uses less digits than its factorization.

679140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 679140 is about 824.0995085546. The cubic root of 679140 is about 87.8995064951.

The spelling of 679140 in words is "six hundred seventy-nine thousand, one hundred forty".