5691672 has 96 divisors (see below), whose sum is σ = 18420480. Its totient is φ = 1552320.

The previous prime is 5691667. The next prime is 5691689. The reversal of 5691672 is 2761965.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11347 + ... + 11837.

It is an arithmetic number, because the mean of its divisors is an integer number (191880).

Almost surely, 2^5691672 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 5691672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9210240).

5691672 is an abundant number, since it is smaller than the sum of its proper divisors (12728808).

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

5691672 is a wasteful number, since it uses less digits than its factorization.

5691672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 526 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 5691672 is about 2385.7225320644. The cubic root of 5691672 is about 178.5445596450.

The spelling of 5691672 in words is "five million, six hundred ninety-one thousand, six hundred seventy-two".