70144605 has 48 divisors (see below), whose sum is σ = 124952256. Its totient is φ = 36391680.

The previous prime is 70144597. The next prime is 70144609. The reversal of 70144605 is 50644107.

It is not a de Polignac number, because 70144605 - 2³ = 70144597 is a prime.

It is a super-2 number, since 2×70144605² = 9840531221212050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70144609) 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 47 ways as a sum of consecutive naturals, for example, 430254 + ... + 430416.

It is an arithmetic number, because the mean of its divisors is an integer number (2603172).

Almost surely, 2^70144605 is an apocalyptic number.

It is an amenable number.

70144605 is a deficient number, since it is larger than the sum of its proper divisors (54807651).

70144605 is a wasteful number, since it uses less digits than its factorization.

70144605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70144605 is about 8375.2376085697. The cubic root of 70144605 is about 412.4121245318.

The spelling of 70144605 in words is "seventy million, one hundred forty-four thousand, six hundred five".