70302028 has 12 divisors (see below), whose sum is σ = 124865272. Its totient is φ = 34626240.

The previous prime is 70302019. The next prime is 70302049. The reversal of 70302028 is 82020307.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 130893 + ... + 131428.

Almost surely, 2^70302028 is an apocalyptic number.

It is an amenable number.

70302028 is a deficient number, since it is larger than the sum of its proper divisors (54563244).

70302028 is a wasteful number, since it uses less digits than its factorization.

70302028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262392 (or 262390 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70302028 is about 8384.6304629363. The cubic root of 70302028 is about 412.7204145569.

The spelling of 70302028 in words is "seventy million, three hundred two thousand, twenty-eight".