7920744248 has 32 divisors (see below), whose sum is σ = 15379135200. Its totient is φ = 3819919488.

The previous prime is 7920744239. The next prime is 7920744259. The reversal of 7920744248 is 8424470297.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218165 + ... + 251867.

It is an arithmetic number, because the mean of its divisors is an integer number (480597975).

Almost surely, 2^7920744248 is an apocalyptic number.

It is an amenable number.

7920744248 is a deficient number, since it is larger than the sum of its proper divisors (7458390952).

7920744248 is a wasteful number, since it uses less digits than its factorization.

7920744248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34751 (or 34747 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 7920744248 is about 88998.5631794132. The cubic root of 7920744248 is about 1993.3734224838.

The spelling of 7920744248 in words is "seven billion, nine hundred twenty million, seven hundred forty-four thousand, two hundred forty-eight".