7333864640 has 112 divisors (see below), whose sum is σ = 18346521600. Its totient is φ = 2786995200.

The previous prime is 7333864633. The next prime is 7333864661. The reversal of 7333864640 is 464683337.

It is a junction number, because it is equal to n+sod(n) for n = 7333864591 and 7333864600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108061 + ... + 1114659.

Almost surely, 2^7333864640 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 7333864640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9173260800).

7333864640 is an abundant number, since it is smaller than the sum of its proper divisors (11012656960).

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

7333864640 is a wasteful number, since it uses less digits than its factorization.

7333864640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790 (or 6780 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 44.

The square root of 7333864640 is about 85637.9859641736. The cubic root of 7333864640 is about 1942.8724797768.

The spelling of 7333864640 in words is "seven billion, three hundred thirty-three million, eight hundred sixty-four thousand, six hundred forty".