70548073 has 4 divisors (see below), whose sum is σ = 71021700. Its totient is φ = 70074448.

The previous prime is 70548067. The next prime is 70548077. The reversal of 70548073 is 37084507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37084507 = 71 ⋅522317.

It can be written as a sum of positive squares in 2 ways, for example, as 2518569 + 68029504 = 1587^2 + 8248^2 .

It is a cyclic number.

It is not a de Polignac number, because 70548073 - 2⁵ = 70548041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70548077) 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, 236590 + ... + 236887.

It is an arithmetic number, because the mean of its divisors is an integer number (17755425).

Almost surely, 2^70548073 is an apocalyptic number.

It is an amenable number.

70548073 is a deficient number, since it is larger than the sum of its proper divisors (473627).

70548073 is a wasteful number, since it uses less digits than its factorization.

70548073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473626.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70548073 is about 8399.2900295204. The cubic root of 70548073 is about 413.2013374193.

The spelling of 70548073 in words is "seventy million, five hundred forty-eight thousand, seventy-three".