70085884 has 12 divisors (see below), whose sum is σ = 133800408. Its totient is φ = 31857200.

The previous prime is 70085879. The next prime is 70085887. The reversal of 70085884 is 48858007.

It is a super-2 number, since 2×70085884² = 9824062272122912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70085887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796387 + ... + 796474.

It is an arithmetic number, because the mean of its divisors is an integer number (11150034).

Almost surely, 2^70085884 is an apocalyptic number.

It is an amenable number.

70085884 is a deficient number, since it is larger than the sum of its proper divisors (63714524).

70085884 is a wasteful number, since it uses less digits than its factorization.

70085884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592876 (or 1592874 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 70085884 is about 8371.7312427000. The cubic root of 70085884 is about 412.2970098898.

The spelling of 70085884 in words is "seventy million, eighty-five thousand, eight hundred eighty-four".