70368145 has 4 divisors (see below), whose sum is σ = 84441780. Its totient is φ = 56294512.

The previous prime is 70368143. The next prime is 70368149. The reversal of 70368145 is 54186307.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11370384 + 58997761 = 3372^2 + 7681^2 .

It is a cyclic number.

It is not a de Polignac number, because 70368145 - 2¹ = 70368143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70368145.

It is not an unprimeable number, because it can be changed into a prime (70368143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7036810 + ... + 7036819.

It is an arithmetic number, because the mean of its divisors is an integer number (21110445).

Almost surely, 2^70368145 is an apocalyptic number.

It is an amenable number.

70368145 is a deficient number, since it is larger than the sum of its proper divisors (14073635).

70368145 is a wasteful number, since it uses less digits than its factorization.

70368145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073634.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 70368145 is about 8388.5722861522. The cubic root of 70368145 is about 412.8497578415.

The spelling of 70368145 in words is "seventy million, three hundred sixty-eight thousand, one hundred forty-five".