1679736 has 64 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 501248.

The previous prime is 1679723. The next prime is 1679773. The reversal of 1679736 is 6379761.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1679694 and 1679703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9295 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2^1679736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1679736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332800).

1679736 is an abundant number, since it is smaller than the sum of its proper divisors (2985864).

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

1679736 is a wasteful number, since it uses less digits than its factorization.

1679736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 224 counting only the distinct ones).

The product of its digits is 47628, while the sum is 39.

The square root of 1679736 is about 1296.0462954694. The cubic root of 1679736 is about 118.8722117632.

It can be divided in two parts, 1679 and 736, that added together give a triangular number (2415 = T₆₉).

The spelling of 1679736 in words is "one million, six hundred seventy-nine thousand, seven hundred thirty-six".