1680701 has 4 divisors (see below), whose sum is σ = 1833504. Its totient is φ = 1527900.

The previous prime is 1680697. The next prime is 1680703. The reversal of 1680701 is 1070861.

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 1680701 - 2² = 1680697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76385 + ... + 76406.

It is an arithmetic number, because the mean of its divisors is an integer number (458376).

2^1680701 is an apocalyptic number.

1680701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1680701 is a deficient number, since it is larger than the sum of its proper divisors (152803).

1680701 is a wasteful number, since it uses less digits than its factorization.

1680701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152802.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1680701 is about 1296.4185280996. The cubic root of 1680701 is about 118.8949712374.

The spelling of 1680701 in words is "one million, six hundred eighty thousand, seven hundred one".