75007520625 has 20 divisors (see below), whose sum is σ = 124972533488. Its totient is φ = 40004010000.

The previous prime is 75007520603. The next prime is 75007520657. The reversal of 75007520625 is 52602570057.

It is not a de Polignac number, because 75007520625 - 2¹¹ = 75007518577 is a prime.

It is a super-2 number, since 2×75007520625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20000131 + ... + 20003880.

Almost surely, 2^75007520625 is an apocalyptic number.

75007520625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75007520625 is a deficient number, since it is larger than the sum of its proper divisors (49965012863).

75007520625 is an equidigital number, since it uses as much as digits as its factorization.

75007520625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004034 (or 40004019 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The spelling of 75007520625 in words is "seventy-five billion, seven million, five hundred twenty thousand, six hundred twenty-five".