70070850 has 72 divisors (see below), whose sum is σ = 194368512. Its totient is φ = 18079200.

The previous prime is 70070849. The next prime is 70070863. The reversal of 70070850 is 5807007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11439 + ... + 16461.

Almost surely, 2^70070850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70070850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97184256).

70070850 is an abundant number, since it is smaller than the sum of its proper divisors (124297662).

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

70070850 is a wasteful number, since it uses less digits than its factorization.

70070850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072 (or 5064 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 70070850 is about 8370.8332918533. The cubic root of 70070850 is about 412.2675274123.

Adding to 70070850 its reverse (5807007), we get a palindrome (75877857).

The spelling of 70070850 in words is "seventy million, seventy thousand, eight hundred fifty".