1680752 has 20 divisors (see below), whose sum is σ = 3303360. Its totient is φ = 828288.

The previous prime is 1680743. The next prime is 1680761. The reversal of 1680752 is 2570861.

It is an interprime number because it is at equal distance from previous prime (1680743) and next prime (1680761).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (165168).

2^1680752 is an apocalyptic number.

It is an amenable number.

1680752 is a deficient number, since it is larger than the sum of its proper divisors (1622608).

1680752 is a wasteful number, since it uses less digits than its factorization.

1680752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1680752 is about 1296.4381975243. The cubic root of 1680752 is about 118.8961738273.

The spelling of 1680752 in words is "one million, six hundred eighty thousand, seven hundred fifty-two".