70075750625 has 10 divisors (see below), whose sum is σ = 87566658762. Its totient is φ = 56060600000.

The previous prime is 70075750621. The next prime is 70075750631. The reversal of 70075750625 is 52605757007.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 51278243809 + 18797506816 = 226447^2 + 137104^2 .

It is not a de Polignac number, because 70075750625 - 2² = 70075750621 is a prime.

It is a super-2 number, since 2×70075750625² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70075750621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56059976 + ... + 56061225.

Almost surely, 2^70075750625 is an apocalyptic number.

It is an amenable number.

70075750625 is a deficient number, since it is larger than the sum of its proper divisors (17490908137).

70075750625 is an equidigital number, since it uses as much as digits as its factorization.

70075750625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112121221 (or 112121206 counting only the distinct ones).

The product of its (nonzero) digits is 514500, while the sum is 44.

The spelling of 70075750625 in words is "seventy billion, seventy-five million, seven hundred fifty thousand, six hundred twenty-five".