70006250 has 48 divisors (see below), whose sum is σ = 137241216. Its totient is φ = 26730000.

The previous prime is 70006217. The next prime is 70006253. The reversal of 70006250 is 5260007.

It is not an unprimeable number, because it can be changed into a prime (70006253) 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 23 ways as a sum of consecutive naturals, for example, 143507 + ... + 143993.

It is an arithmetic number, because the mean of its divisors is an integer number (2859192).

Almost surely, 2^70006250 is an apocalyptic number.

70006250 is a deficient number, since it is larger than the sum of its proper divisors (67234966).

70006250 is an equidigital number, since it uses as much as digits as its factorization.

70006250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70006250 is about 8366.9737659443. The cubic root of 70006250 is about 412.1407953459.

Adding to 70006250 its reverse (5260007), we get a palindrome (75266257).

The spelling of 70006250 in words is "seventy million, six thousand, two hundred fifty".