70546016025 has 27 divisors (see below), whose sum is σ = 126362889471. Its totient is φ = 37622417040.

The previous prime is 70546016011. The next prime is 70546016039. The reversal of 70546016025 is 52061064507.

It is a happy number.

The square root of 70546016025 is 265605.

It is a perfect power (a square), and thus also a powerful number.

70546016025 is a `hidden beast` number, since 7 + 0 + 5 + 46 + 0 + 1 + 602 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (70546016011) and next prime (70546016039).

It can be written as a sum of positive squares in only one way, i.e., 25396565769 + 45149450256 = 159363^2 + 212484^2 .

It is not a de Polignac number, because 70546016025 - 2⁵ = 70546015993 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 3975222 + ... + 3992928.

Almost surely, 2^70546016025 is an apocalyptic number.

70546016025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70546016025 is the 265605-th square number.

70546016025 is the 132803-rd centered octagonal number.

It is an amenable number.

70546016025 is a deficient number, since it is larger than the sum of its proper divisors (55816873446).

70546016025 is an frugal number, since it uses more digits than its factorization.

70546016025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35430 (or 17715 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Multiplying 70546016025 by its sum of digits (36), we get a square (2539656576900 = 1593630²).

The spelling of 70546016025 in words is "seventy billion, five hundred forty-six million, sixteen thousand, twenty-five".