70002028 has 12 divisors (see below), whose sum is σ = 123212880. Its totient is φ = 34798352.

The previous prime is 70002017. The next prime is 70002043. The reversal of 70002028 is 82020007.

It is a super-2 number, since 2×70002028² = 9800567848225568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70001996 and 70002014.

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, 49888 + ... + 51271.

It is an arithmetic number, because the mean of its divisors is an integer number (10267740).

Almost surely, 2^70002028 is an apocalyptic number.

It is an amenable number.

70002028 is a deficient number, since it is larger than the sum of its proper divisors (53210852).

70002028 is a wasteful number, since it uses less digits than its factorization.

70002028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101336 (or 101334 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 70002028 is about 8366.7214606439. The cubic root of 70002028 is about 412.1325099265.

The spelling of 70002028 in words is "seventy million, two thousand, twenty-eight".