3081672 has 64 divisors (see below), whose sum is σ = 9345600. Its totient is φ = 933120.

The previous prime is 3081643. The next prime is 3081677. The reversal of 3081672 is 2761803.

3081672 = 38³ + 39³ + ... + 61³.

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

It is not an unprimeable number, because it can be changed into a prime (3081677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728 + ... + 3024.

It is an arithmetic number, because the mean of its divisors is an integer number (146025).

Almost surely, 2^3081672 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 3081672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4672800).

3081672 is an abundant number, since it is smaller than the sum of its proper divisors (6263928).

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

3081672 is a wasteful number, since it uses less digits than its factorization.

3081672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3081672 is about 1755.4691680574. The cubic root of 3081672 is about 145.5220500114.

The spelling of 3081672 in words is "three million, eighty-one thousand, six hundred seventy-two".