70306146 has 24 divisors (see below), whose sum is σ = 154168560. Its totient is φ = 23152536.

The previous prime is 70306141. The next prime is 70306153. The reversal of 70306146 is 64160307.

It is not an unprimeable number, because it can be changed into a prime (70306141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22036 + ... + 25023.

It is an arithmetic number, because the mean of its divisors is an integer number (6423690).

Almost surely, 2^70306146 is an apocalyptic number.

70306146 is an abundant number, since it is smaller than the sum of its proper divisors (83862414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70306146 is a wasteful number, since it uses less digits than its factorization.

70306146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47150 (or 47147 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70306146 is about 8384.8760277061. The cubic root of 70306146 is about 412.7284728806.

The spelling of 70306146 in words is "seventy million, three hundred six thousand, one hundred forty-six".