7252997536 has 24 divisors (see below), whose sum is σ = 14307424740. Its totient is φ = 3619365888.

The previous prime is 7252997533. The next prime is 7252997551. The reversal of 7252997536 is 6357992527.

It can be written as a sum of positive squares in 2 ways, for example, as 7248819600 + 4177936 = 85140^2 + 2044^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7252997533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206361 + ... + 238936.

Almost surely, 2^7252997536 is an apocalyptic number.

It is an amenable number.

7252997536 is a deficient number, since it is larger than the sum of its proper divisors (7054427204).

7252997536 is a wasteful number, since it uses less digits than its factorization.

7252997536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445816 (or 445808 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 55.

The square root of 7252997536 is about 85164.5321480721. The cubic root of 7252997536 is about 1935.7050213102.

The spelling of 7252997536 in words is "seven billion, two hundred fifty-two million, nine hundred ninety-seven thousand, five hundred thirty-six".