7922474064 has 120 divisors (see below), whose sum is σ = 22622124512. Its totient is φ = 2587541760.

The previous prime is 7922474059. The next prime is 7922474081. The reversal of 7922474064 is 4604742297.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2484279 + ... + 2487465.

Almost surely, 2^7922474064 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 7922474064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11311062256).

7922474064 is an abundant number, since it is smaller than the sum of its proper divisors (14699650448).

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

7922474064 is a wasteful number, since it uses less digits than its factorization.

7922474064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 7922474064 is about 89008.2808731862. The cubic root of 7922474064 is about 1993.5185232532.

The spelling of 7922474064 in words is "seven billion, nine hundred twenty-two million, four hundred seventy-four thousand, sixty-four".