7645372 has 36 divisors (see below), whose sum is σ = 16390920. Its totient is φ = 3102624.

The previous prime is 7645343. The next prime is 7645387. The reversal of 7645372 is 2735467.

It is a happy number.

It is a Cunningham number, because it is equal to 197³-1.

It is a d-powerful number, because it can be written as 7 + 6⁸ + 4¹⁰ + 5⁵ + 3¹⁴ + 7 + 2¹⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2698 + ... + 4750.

Almost surely, 2^7645372 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 7645372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8195460).

7645372 is an abundant number, since it is smaller than the sum of its proper divisors (8745548).

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

7645372 is a wasteful number, since it uses less digits than its factorization.

7645372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2081 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 7645372 is about 2765.0265821507. The cubic root of 7645372 is about 196.9999914109. Note that the first 5 decimals are identical.

The spelling of 7645372 in words is "seven million, six hundred forty-five thousand, three hundred seventy-two".