7643632 has 10 divisors (see below), whose sum is σ = 14809568. Its totient is φ = 3821808.

The previous prime is 7643621. The next prime is 7643633. The reversal of 7643632 is 2363467.

It is a super-2 number, since 2×7643632² = 116850220302848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7643594 and 7643603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7643633) 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 as a sum of consecutive naturals, namely, 238848 + ... + 238879.

Almost surely, 2^7643632 is an apocalyptic number.

It is an amenable number.

7643632 is a deficient number, since it is larger than the sum of its proper divisors (7165936).

7643632 is a wasteful number, since it uses less digits than its factorization.

7643632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477735 (or 477729 counting only the distinct ones).

The product of its digits is 18144, while the sum is 31.

The square root of 7643632 is about 2764.7119198933. The cubic root of 7643632 is about 196.9850452887.

The spelling of 7643632 in words is "seven million, six hundred forty-three thousand, six hundred thirty-two".