7662636432 has 120 divisors (see below), whose sum is σ = 23488684128. Its totient is φ = 2312640000.

The previous prime is 7662636427. The next prime is 7662636433. The reversal of 7662636432 is 2346362667.

7662636432 is a `hidden beast` number, since 7 + 6 + 6 + 2 + 636 + 4 + 3 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (7662636433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387948 + ... + 407220.

Almost surely, 2^7662636432 is an apocalyptic number.

7662636432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7662636432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11744342064).

7662636432 is an abundant number, since it is smaller than the sum of its proper divisors (15826047696).

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

7662636432 is a wasteful number, since it uses less digits than its factorization.

7662636432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19549 (or 19540 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 45.

The square root of 7662636432 is about 87536.4862900037. The cubic root of 7662636432 is about 1971.4816541292.

The spelling of 7662636432 in words is "seven billion, six hundred sixty-two million, six hundred thirty-six thousand, four hundred thirty-two".