7643372 has 12 divisors (see below), whose sum is σ = 14591976. Its totient is φ = 3474240.

The previous prime is 7643371. The next prime is 7643381. The reversal of 7643372 is 2733467.

It is a super-2 number, since 2×7643372² = 116842271060768, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7 + 6⁷ + 4⁶ + 3⁴ + 3¹³ + 7⁸ + 2⁷ .

It is not an unprimeable number, because it can be changed into a prime (7643371) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 86813 + ... + 86900.

It is an arithmetic number, because the mean of its divisors is an integer number (1215998).

Almost surely, 2^7643372 is an apocalyptic number.

It is an amenable number.

7643372 is a deficient number, since it is larger than the sum of its proper divisors (6948604).

7643372 is a wasteful number, since it uses less digits than its factorization.

7643372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173728 (or 173726 counting only the distinct ones).

The product of its digits is 21168, while the sum is 32.

The square root of 7643372 is about 2764.6648983195. The cubic root of 7643372 is about 196.9828117653.

The spelling of 7643372 in words is "seven million, six hundred forty-three thousand, three hundred seventy-two".