70421184 has 112 divisors (see below), whose sum is σ = 209946240. Its totient is φ = 23143680.

The previous prime is 70421179. The next prime is 70421209. The reversal of 70421184 is 48112407.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143179 + ... + 143669.

It is an arithmetic number, because the mean of its divisors is an integer number (1874520).

Almost surely, 2^70421184 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 70421184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104973120).

70421184 is an abundant number, since it is smaller than the sum of its proper divisors (139525056).

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

70421184 is a wasteful number, since it uses less digits than its factorization.

70421184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 70421184 is about 8391.7330748779. The cubic root of 70421184 is about 412.9534583585.

The spelling of 70421184 in words is "seventy million, four hundred twenty-one thousand, one hundred eighty-four".