7365936640 has 80 divisors (see below), whose sum is σ = 17817975648. Its totient is φ = 2920185856.

The previous prime is 7365936607. The next prime is 7365936649. The reversal of 7365936640 is 466395637.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7365936649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276549 + ... + 302011.

Almost surely, 2^7365936640 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 7365936640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8908987824).

7365936640 is an abundant number, since it is smaller than the sum of its proper divisors (10452039008).

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

7365936640 is a wasteful number, since it uses less digits than its factorization.

7365936640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25599 (or 25583 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 49.

The square root of 7365936640 is about 85825.0350422300. The cubic root of 7365936640 is about 1945.7005109518.

The spelling of 7365936640 in words is "seven billion, three hundred sixty-five million, nine hundred thirty-six thousand, six hundred forty".