6245531720 has 16 divisors (see below), whose sum is σ = 14052446460. Its totient is φ = 2498212672.

The previous prime is 6245531707. The next prime is 6245531741. The reversal of 6245531720 is 271355426.

It can be written as a sum of positive squares in 2 ways, for example, as 5603720164 + 641811556 = 74858^2 + 25334^2 .

It is a super-3 number, since 3×6245531720³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78069107 + ... + 78069186.

Almost surely, 2^6245531720 is an apocalyptic number.

It is an amenable number.

6245531720 is an abundant number, since it is smaller than the sum of its proper divisors (7806914740).

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

6245531720 is a wasteful number, since it uses less digits than its factorization.

6245531720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156138304 (or 156138300 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 6245531720 is about 79028.6765674334. The cubic root of 6245531720 is about 1841.5766770886.

The spelling of 6245531720 in words is "six billion, two hundred forty-five million, five hundred thirty-one thousand, seven hundred twenty".