7472720064 has 112 divisors (see below), whose sum is σ = 20963331200. Its totient is φ = 2342670336.

The previous prime is 7472720063. The next prime is 7472720089. The reversal of 7472720064 is 4600272747.

It is not an unprimeable number, because it can be changed into a prime (7472720063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499704 + ... + 514440.

It is an arithmetic number, because the mean of its divisors is an integer number (187172600).

Almost surely, 2^7472720064 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 7472720064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10481665600).

7472720064 is an abundant number, since it is smaller than the sum of its proper divisors (13490611136).

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

7472720064 is a wasteful number, since it uses less digits than its factorization.

7472720064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14910 (or 14900 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 7472720064 is about 86444.8961130731. The cubic root of 7472720064 is about 1955.0576631060.

The spelling of 7472720064 in words is "seven billion, four hundred seventy-two million, seven hundred twenty thousand, sixty-four".