7645212 has 48 divisors (see below), whose sum is σ = 20512800. Its totient is φ = 2459520.

The previous prime is 7645171. The next prime is 7645219. The reversal of 7645212 is 2125467.

7645212 is a `hidden beast` number, since 7 + 645 + 2 + 12 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645219) 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, 1912 + ... + 4352.

It is an arithmetic number, because the mean of its divisors is an integer number (427350).

Almost surely, 2^7645212 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 7645212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10256400).

7645212 is an abundant number, since it is smaller than the sum of its proper divisors (12867588).

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

7645212 is a wasteful number, since it uses less digits than its factorization.

7645212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2475 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 7645212 is about 2764.9976491853. The cubic root of 7645212 is about 196.9986171495.

The spelling of 7645212 in words is "seven million, six hundred forty-five thousand, two hundred twelve".