70103850 has 48 divisors (see below), whose sum is σ = 178113600. Its totient is φ = 18236800.

The previous prime is 70103843. The next prime is 70103851. The reversal of 70103850 is 5830107.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70103850.

It is not an unprimeable number, because it can be changed into a prime (70103851) 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, 451 + ... + 11849.

It is an arithmetic number, because the mean of its divisors is an integer number (3710700).

Almost surely, 2^70103850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70103850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89056800).

70103850 is an abundant number, since it is smaller than the sum of its proper divisors (108009750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70103850 is a wasteful number, since it uses less digits than its factorization.

70103850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11455 (or 11450 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 70103850 is about 8372.8041897563. The cubic root of 70103850 is about 412.3322366469.

Adding to 70103850 its reverse (5830107), we get a palindrome (75933957).

The spelling of 70103850 in words is "seventy million, one hundred three thousand, eight hundred fifty".