70289850 has 24 divisors (see below), whose sum is σ = 174319200. Its totient is φ = 18743920.

The previous prime is 70289837. The next prime is 70289851. The reversal of 70289850 is 5898207.

It is a junction number, because it is equal to n+sod(n) for n = 70289799 and 70289808.

It is not an unprimeable number, because it can be changed into a prime (70289851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234150 + ... + 234449.

It is an arithmetic number, because the mean of its divisors is an integer number (7263300).

Almost surely, 2^70289850 is an apocalyptic number.

70289850 is an abundant number, since it is smaller than the sum of its proper divisors (104029350).

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

70289850 is a wasteful number, since it uses less digits than its factorization.

70289850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468614 (or 468609 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 70289850 is about 8383.9042217812. The cubic root of 70289850 is about 412.6965821508.

The spelling of 70289850 in words is "seventy million, two hundred eighty-nine thousand, eight hundred fifty".