7247551120 has 80 divisors (see below), whose sum is σ = 17339358960. Its totient is φ = 2815229952.

The previous prime is 7247551111. The next prime is 7247551141. The reversal of 7247551120 is 211557427.

7247551120 = T₈₇₅₉ + T₈₇₆₀ + ... + T₈₉₄₃.

It can be written as a sum of positive squares in 8 ways, for example, as 413552896 + 6833998224 = 20336^2 + 82668^2 .

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

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, 1753216 + ... + 1757344.

It is an arithmetic number, because the mean of its divisors is an integer number (216741987).

Almost surely, 2^7247551120 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 7247551120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8669679480).

7247551120 is an abundant number, since it is smaller than the sum of its proper divisors (10091807840).

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

7247551120 is a wasteful number, since it uses less digits than its factorization.

7247551120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 7247551120 is about 85132.5502965816. The cubic root of 7247551120 is about 1935.2203805464.

The spelling of 7247551120 in words is "seven billion, two hundred forty-seven million, five hundred fifty-one thousand, one hundred twenty".