70002428 has 6 divisors (see below), whose sum is σ = 122504256. Its totient is φ = 35001212.

The previous prime is 70002421. The next prime is 70002461. The reversal of 70002428 is 82420007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70002421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8750300 + ... + 8750307.

It is an arithmetic number, because the mean of its divisors is an integer number (20417376).

Almost surely, 2^70002428 is an apocalyptic number.

It is an amenable number.

70002428 is a deficient number, since it is larger than the sum of its proper divisors (52501828).

70002428 is a wasteful number, since it uses less digits than its factorization.

70002428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500611 (or 17500609 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 70002428 is about 8366.7453648357. The cubic root of 70002428 is about 412.1332949166.

The spelling of 70002428 in words is "seventy million, two thousand, four hundred twenty-eight".