70870236 has 24 divisors (see below), whose sum is σ = 165669504. Its totient is φ = 23579760.

The previous prime is 70870231. The next prime is 70870249. The reversal of 70870236 is 63207807.

It is a junction number, because it is equal to n+sod(n) for n = 70870197 and 70870206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70870231) 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 7 ways as a sum of consecutive naturals, for example, 1681 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (6902896).

Almost surely, 2^70870236 is an apocalyptic number.

It is an amenable number.

70870236 is an abundant number, since it is smaller than the sum of its proper divisors (94799268).

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

70870236 is a wasteful number, since it uses less digits than its factorization.

70870236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 70870236 is about 8418.4461749185. The cubic root of 70870236 is about 413.8293539286.

The spelling of 70870236 in words is "seventy million, eight hundred seventy thousand, two hundred thirty-six".