1672704 has 120 divisors (see below), whose sum is σ = 5442360. Its totient is φ = 506880.

The previous prime is 1672663. The next prime is 1672747. The reversal of 1672704 is 4072761.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152059 + ... + 152069.

It is an arithmetic number, because the mean of its divisors is an integer number (45353).

2^1672704 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 1672704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721180).

1672704 is an abundant number, since it is smaller than the sum of its proper divisors (3769656).

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

1672704 is an equidigital number, since it uses as much as digits as its factorization.

1672704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1672704 is about 1293.3305841895. The cubic root of 1672704 is about 118.7060986380.

The spelling of 1672704 in words is "one million, six hundred seventy-two thousand, seven hundred four".