7249500736 has 63 divisors (see below), whose sum is σ = 14939600169. Its totient is φ = 3490222848.

The previous prime is 7249500719. The next prime is 7249500767. The reversal of 7249500736 is 6370059427.

The square root of 7249500736 is 85144.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3801462336 + 3448038400 = 61656^2 + 58720^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7249500692 and 7249500701.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19753225 + ... + 19753591.

Almost surely, 2^7249500736 is an apocalyptic number.

7249500736 is the 85144-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7249500736

7249500736 is an abundant number, since it is smaller than the sum of its proper divisors (7690099433).

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

7249500736 is an frugal number, since it uses more digits than its factorization.

7249500736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The cubic root of 7249500736 is about 1935.3938919525.

The spelling of 7249500736 in words is "seven billion, two hundred forty-nine million, five hundred thousand, seven hundred thirty-six".