70057345 has 8 divisors (see below), whose sum is σ = 84125160. Its totient is φ = 56008320.

The previous prime is 70057331. The next prime is 70057373. The reversal of 70057345 is 54375007.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 68674369 = 1176^2 + 8287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70057345 - 2¹³ = 70049153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 13069.

It is an arithmetic number, because the mean of its divisors is an integer number (10515645).

Almost surely, 2^70057345 is an apocalyptic number.

It is an amenable number.

70057345 is a deficient number, since it is larger than the sum of its proper divisors (14067815).

70057345 is a wasteful number, since it uses less digits than its factorization.

70057345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 70057345 is about 8370.0265829924. The cubic root of 70057345 is about 412.2410397897.

The spelling of 70057345 in words is "seventy million, fifty-seven thousand, three hundred forty-five".