7497943245 has 48 divisors (see below), whose sum is σ = 14819483952. Its totient is φ = 3474155520.

The previous prime is 7497943241. The next prime is 7497943253. The reversal of 7497943245 is 5423497947.

7497943245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 515335401 + 6982607844 = 22701^2 + 83562^2 .

It is not a de Polignac number, because 7497943245 - 2² = 7497943241 is a prime.

It is a super-2 number, since 2×7497943245² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7497943191 and 7497943200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7497943241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 367026 + ... + 386915.

It is an arithmetic number, because the mean of its divisors is an integer number (308739249).

Almost surely, 2^7497943245 is an apocalyptic number.

It is an amenable number.

7497943245 is a deficient number, since it is larger than the sum of its proper divisors (7321540707).

7497943245 is a wasteful number, since it uses less digits than its factorization.

7497943245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753982 (or 753979 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 7497943245 is about 86590.6648836929. The cubic root of 7497943245 is about 1957.2548725901.

The spelling of 7497943245 in words is "seven billion, four hundred ninety-seven million, nine hundred forty-three thousand, two hundred forty-five".