70012154 has 8 divisors (see below), whose sum is σ = 111195828. Its totient is φ = 32946880.

The previous prime is 70012139. The next prime is 70012157. The reversal of 70012154 is 45121007.

It can be written as a sum of positive squares in 2 ways, for example, as 66504025 + 3508129 = 8155^2 + 1873^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70012157) 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, 1029557 + ... + 1029624.

Almost surely, 2^70012154 is an apocalyptic number.

70012154 is a deficient number, since it is larger than the sum of its proper divisors (41183674).

70012154 is a wasteful number, since it uses less digits than its factorization.

70012154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059200.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 70012154 is about 8367.3265742410. The cubic root of 70012154 is about 412.1523810298.

The spelling of 70012154 in words is "seventy million, twelve thousand, one hundred fifty-four".