7971612 has 48 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 2392000.

The previous prime is 7971611. The next prime is 7971617. The reversal of 7971612 is 2161797.

7971612 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7971611) 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, 17062 + ... + 17522.

It is an arithmetic number, because the mean of its divisors is an integer number (426888).

Almost surely, 2^7971612 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 7971612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10245312).

7971612 is an abundant number, since it is smaller than the sum of its proper divisors (12519012).

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

7971612 is a wasteful number, since it uses less digits than its factorization.

7971612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its digits is 5292, while the sum is 33.

The square root of 7971612 is about 2823.4043281117. The cubic root of 7971612 is about 199.7631529615.

The spelling of 7971612 in words is "seven million, nine hundred seventy-one thousand, six hundred twelve".