70535757825 has 240 divisors, whose sum is σ = 149784631920. Its totient is φ = 32507412480.

The previous prime is 70535757793. The next prime is 70535757847. The reversal of 70535757825 is 52875753507.

It can be written as a sum of positive squares in 24 ways, for example, as 66756090384 + 3779667441 = 258372^2 + 61479^2 .

It is not a de Polignac number, because 70535757825 - 2⁵ = 70535757793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 123964141 + ... + 123964709.

It is an arithmetic number, because the mean of its divisors is an integer number (624102633).

Almost surely, 2^70535757825 is an apocalyptic number.

70535757825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70535757825 is an abundant number, since it is smaller than the sum of its proper divisors (79248874095).

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

70535757825 is a wasteful number, since it uses less digits than its factorization.

70535757825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 10290000, while the sum is 54.

The spelling of 70535757825 in words is "seventy billion, five hundred thirty-five million, seven hundred fifty-seven thousand, eight hundred twenty-five".