70545946 has 12 divisors (see below), whose sum is σ = 107653482. Its totient is φ = 34671704.

The previous prime is 70545931. The next prime is 70545947. The reversal of 70545946 is 64954507.

It can be written as a sum of positive squares in only one way, i.e., 50965321 + 19580625 = 7139^2 + 4425^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70545899 and 70545908.

It is not an unprimeable number, because it can be changed into a prime (70545947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1896 + ... + 12028.

Almost surely, 2^70545946 is an apocalyptic number.

70545946 is a deficient number, since it is larger than the sum of its proper divisors (37107536).

70545946 is a wasteful number, since it uses less digits than its factorization.

70545946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253 (or 10194 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 70545946 is about 8399.1634107213. The cubic root of 70545946 is about 413.1971847517.

The spelling of 70545946 in words is "seventy million, five hundred forty-five thousand, nine hundred forty-six".