70538845 has 16 divisors (see below), whose sum is σ = 91354032. Its totient is φ = 51978240.

The previous prime is 70538837. The next prime is 70538851. The reversal of 70538845 is 54883507.

It can be written as a sum of positive squares in 8 ways, for example, as 599076 + 69939769 = 774^2 + 8363^2 .

It is not a de Polignac number, because 70538845 - 2³ = 70538837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70538798 and 70538807.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40819 + ... + 42511.

It is an arithmetic number, because the mean of its divisors is an integer number (5709627).

Almost surely, 2^70538845 is an apocalyptic number.

It is an amenable number.

70538845 is a deficient number, since it is larger than the sum of its proper divisors (20815187).

70538845 is a wasteful number, since it uses less digits than its factorization.

70538845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 70538845 is about 8398.7406794114. The cubic root of 70538845 is about 413.1833204461.

The spelling of 70538845 in words is "seventy million, five hundred thirty-eight thousand, eight hundred forty-five".