70212850 has 12 divisors (see below), whose sum is σ = 130595994. Its totient is φ = 28085120.

The previous prime is 70212841. The next prime is 70212853. The reversal of 70212850 is 5821207.

It can be written as a sum of positive squares in 3 ways, for example, as 67881121 + 2331729 = 8239^2 + 1527^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70212853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 702079 + ... + 702178.

Almost surely, 2^70212850 is an apocalyptic number.

70212850 is a deficient number, since it is larger than the sum of its proper divisors (60383144).

70212850 is a wasteful number, since it uses less digits than its factorization.

70212850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404269 (or 1404264 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 70212850 is about 8379.3108308500. The cubic root of 70212850 is about 412.5458290067.

The spelling of 70212850 in words is "seventy million, two hundred twelve thousand, eight hundred fifty".