70000030 has 8 divisors (see below), whose sum is σ = 126000072. Its totient is φ = 28000008.

The previous prime is 70000027. The next prime is 70000037. The reversal of 70000030 is 3000007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 7000003 = 70000030 / (7 + 0 + 0 + 0 + 0 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 69999971 and 70000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70000037) 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 in 3 ways as a sum of consecutive naturals, for example, 3499992 + ... + 3500011.

It is an arithmetic number, because the mean of its divisors is an integer number (15750009).

Almost surely, 2^70000030 is an apocalyptic number.

70000030 is a deficient number, since it is larger than the sum of its proper divisors (56000042).

70000030 is a wasteful number, since it uses less digits than its factorization.

70000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000010.

The product of its (nonzero) digits is 21, while the sum is 10.

The square root of 70000030 is about 8366.6020581835. The cubic root of 70000030 is about 412.1285888564.

Adding to 70000030 its reverse (3000007), we get a palindrome (73000037).

The spelling of 70000030 in words is "seventy million, thirty", and thus it is an aban number and an uban number.