70009884 has 144 divisors (see below), whose sum is σ = 216373248. Its totient is φ = 18653184.

The previous prime is 70009871. The next prime is 70009897. The reversal of 70009884 is 48890007.

It is an interprime number because it is at equal distance from previous prime (70009871) and next prime (70009897).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272284 + ... + 272540.

It is an arithmetic number, because the mean of its divisors is an integer number (1502592).

Almost surely, 2^70009884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70009884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108186624).

70009884 is an abundant number, since it is smaller than the sum of its proper divisors (146363364).

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

70009884 is a wasteful number, since it uses less digits than its factorization.

70009884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 70009884 is about 8367.1909264699. The cubic root of 70009884 is about 412.1479265841.

The spelling of 70009884 in words is "seventy million, nine thousand, eight hundred eighty-four".