70173045 has 24 divisors (see below), whose sum is σ = 121890912. Its totient is φ = 37346400.

The previous prime is 70173043. The next prime is 70173049. The reversal of 70173045 is 54037107.

It is not a de Polignac number, because 70173045 - 2¹ = 70173043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70173041) 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 23 ways as a sum of consecutive naturals, for example, 24330 + ... + 27060.

It is an arithmetic number, because the mean of its divisors is an integer number (5078788).

Almost surely, 2^70173045 is an apocalyptic number.

It is an amenable number.

70173045 is a deficient number, since it is larger than the sum of its proper divisors (51717867).

70173045 is a wasteful number, since it uses less digits than its factorization.

70173045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313 (or 3310 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70173045 is about 8376.9352987832. The cubic root of 70173045 is about 412.4678542443.

The spelling of 70173045 in words is "seventy million, one hundred seventy-three thousand, forty-five".