7125237645 has 8 divisors (see below), whose sum is σ = 11400380256. Its totient is φ = 3800126736.

The previous prime is 7125237641. The next prime is 7125237649. The reversal of 7125237645 is 5467325217.

It is an interprime number because it is at equal distance from previous prime (7125237641) and next prime (7125237649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7125237645 - 2² = 7125237641 is a prime.

It is a super-3 number, since 3×7125237645³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 7125237597 and 7125237606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125237641) 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 7 ways as a sum of consecutive naturals, for example, 237507907 + ... + 237507936.

It is an arithmetic number, because the mean of its divisors is an integer number (1425047532).

Almost surely, 2^7125237645 is an apocalyptic number.

It is an amenable number.

7125237645 is a deficient number, since it is larger than the sum of its proper divisors (4275142611).

7125237645 is a wasteful number, since it uses less digits than its factorization.

7125237645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475015851.

The product of its digits is 352800, while the sum is 42.

The square root of 7125237645 is about 84411.1227564235. The cubic root of 7125237645 is about 1924.2719590158.

The spelling of 7125237645 in words is "seven billion, one hundred twenty-five million, two hundred thirty-seven thousand, six hundred forty-five".