7923704064 has 72 divisors (see below), whose sum is σ = 22198575840. Its totient is φ = 2502217728.

The previous prime is 7923704059. The next prime is 7923704069. The reversal of 7923704064 is 4604073297.

It is an interprime number because it is at equal distance from previous prime (7923704059) and next prime (7923704069).

It is not an unprimeable number, because it can be changed into a prime (7923704069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256917 + ... + 286100.

Almost surely, 2^7923704064 is an apocalyptic number.

It is an amenable number.

7923704064 is an abundant number, since it is smaller than the sum of its proper divisors (14274871776).

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

7923704064 is a wasteful number, since it uses less digits than its factorization.

7923704064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543055 (or 543041 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 7923704064 is about 89015.1900745036. The cubic root of 7923704064 is about 1993.6216855095.

The spelling of 7923704064 in words is "seven billion, nine hundred twenty-three million, seven hundred four thousand, sixty-four".