7992901632 has 72 divisors (see below), whose sum is σ = 21315371616. Its totient is φ = 2664169472.

The previous prime is 7992901601. The next prime is 7992901687. The reversal of 7992901632 is 2361092997.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383053 + ... + 403379.

It is an arithmetic number, because the mean of its divisors is an integer number (296046828).

Almost surely, 2^7992901632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7992901632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10657685808).

7992901632 is an abundant number, since it is smaller than the sum of its proper divisors (13322469984).

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

7992901632 is an frugal number, since it uses more digits than its factorization.

7992901632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20364 (or 20332 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 7992901632 is about 89403.0292104244. The cubic root of 7992901632 is about 1999.4082942928.

The spelling of 7992901632 in words is "seven billion, nine hundred ninety-two million, nine hundred one thousand, six hundred thirty-two".