70306064 has 20 divisors (see below), whose sum is σ = 136355856. Its totient is φ = 35117472.

The previous prime is 70306039. The next prime is 70306069. The reversal of 70306064 is 46060307.

It is not an unprimeable number, because it can be changed into a prime (70306069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22247 + ... + 25209.

Almost surely, 2^70306064 is an apocalyptic number.

It is an amenable number.

70306064 is a deficient number, since it is larger than the sum of its proper divisors (66049792).

70306064 is a wasteful number, since it uses less digits than its factorization.

70306064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 4448 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 70306064 is about 8384.8711379484. The cubic root of 70306064 is about 412.7283124216.

The spelling of 70306064 in words is "seventy million, three hundred six thousand, sixty-four".