1672716 has 12 divisors (see below), whose sum is σ = 3903032. Its totient is φ = 557568.

The previous prime is 1672663. The next prime is 1672747. The reversal of 1672716 is 6172761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

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, 69685 + ... + 69708.

2^1672716 is an apocalyptic number.

It is an amenable number.

1672716 is an abundant number, since it is smaller than the sum of its proper divisors (2230316).

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

1672716 is a wasteful number, since it uses less digits than its factorization.

1672716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139400 (or 139398 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 1672716 is about 1293.3352233663. The cubic root of 1672716 is about 118.7063825036.

The spelling of 1672716 in words is "one million, six hundred seventy-two thousand, seven hundred sixteen".