7932640632 has 32 divisors (see below), whose sum is σ = 22664688000. Its totient is φ = 2266468704.

The previous prime is 7932640631. The next prime is 7932640673. The reversal of 7932640632 is 2360462397.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7932640631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23608882 + ... + 23609217.

It is an arithmetic number, because the mean of its divisors is an integer number (708271500).

Almost surely, 2^7932640632 is an apocalyptic number.

It is an amenable number.

7932640632 is an abundant number, since it is smaller than the sum of its proper divisors (14732047368).

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

7932640632 is a wasteful number, since it uses less digits than its factorization.

7932640632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47218115 (or 47218111 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 7932640632 is about 89065.3727999833. The cubic root of 7932640632 is about 1994.3708907620.

The spelling of 7932640632 in words is "seven billion, nine hundred thirty-two million, six hundred forty thousand, six hundred thirty-two".