7399736064 has 432 divisors, whose sum is σ = 26137919808. Its totient is φ = 1965293568.

The previous prime is 7399736041. The next prime is 7399736119. The reversal of 7399736064 is 4606379937.

It is a self number, because there is not a number n which added to its sum of digits gives 7399736064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37562014 + ... + 37562210.

It is an arithmetic number, because the mean of its divisors is an integer number (60504444).

Almost surely, 2^7399736064 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 7399736064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13068959904).

7399736064 is an abundant number, since it is smaller than the sum of its proper divisors (18738183744).

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

7399736064 is a wasteful number, since it uses less digits than its factorization.

7399736064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 54.

The square root of 7399736064 is about 86021.7185599079. The cubic root of 7399736064 is about 1948.6719920449.

The spelling of 7399736064 in words is "seven billion, three hundred ninety-nine million, seven hundred thirty-six thousand, sixty-four".