70306284 has 12 divisors (see below), whose sum is σ = 164048024. Its totient is φ = 23435424.

The previous prime is 70306283. The next prime is 70306297. The reversal of 70306284 is 48260307.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (70306283) 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, 2929417 + ... + 2929440.

Almost surely, 2^70306284 is an apocalyptic number.

It is an amenable number.

70306284 is an abundant number, since it is smaller than the sum of its proper divisors (93741740).

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

70306284 is a wasteful number, since it uses less digits than its factorization.

70306284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858864 (or 5858862 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 70306284 is about 8384.8842568040. The cubic root of 70306284 is about 412.7287429209.

The spelling of 70306284 in words is "seventy million, three hundred six thousand, two hundred eighty-four".