70017625 has 16 divisors (see below), whose sum is σ = 88173072. Its totient is φ = 55507200.

The previous prime is 70017617. The next prime is 70017637. The reversal of 70017625 is 52671007.

It can be written as a sum of positive squares in 8 ways, for example, as 31775769 + 38241856 = 5637^2 + 6184^2 .

It is not a de Polignac number, because 70017625 - 2³ = 70017617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70017593 and 70017602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11647 + ... + 16603.

It is an arithmetic number, because the mean of its divisors is an integer number (5510817).

Almost surely, 2^70017625 is an apocalyptic number.

It is an amenable number.

70017625 is a deficient number, since it is larger than the sum of its proper divisors (18155447).

70017625 is a wasteful number, since it uses less digits than its factorization.

70017625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5075 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 70017625 is about 8367.6534942599. The cubic root of 70017625 is about 412.1631164370.

The spelling of 70017625 in words is "seventy million, seventeen thousand, six hundred twenty-five".