7643464 has 8 divisors (see below), whose sum is σ = 14331510. Its totient is φ = 3821728.

The previous prime is 7643431. The next prime is 7643473. The reversal of 7643464 is 4643467.

It can be written as a sum of positive squares in only one way, i.e., 6100900 + 1542564 = 2470^2 + 1242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 7⁵ + 6⁸ + 4⁵ + 3⁸ + 4⁸ + 6⁸ + 4¹¹ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477709 + ... + 477724.

Almost surely, 2^7643464 is an apocalyptic number.

It is an amenable number.

7643464 is a deficient number, since it is larger than the sum of its proper divisors (6688046).

7643464 is a wasteful number, since it uses less digits than its factorization.

7643464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955439 (or 955435 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 7643464 is about 2764.6815368140. The cubic root of 7643464 is about 196.9836020948.

The spelling of 7643464 in words is "seven million, six hundred forty-three thousand, four hundred sixty-four".