70194420 has 72 divisors (see below), whose sum is σ = 213857280. Its totient is φ = 18636480.

The previous prime is 70194407. The next prime is 70194431. The reversal of 70194420 is 2449107.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 48061 + ... + 49499.

It is an arithmetic number, because the mean of its divisors is an integer number (2970240).

Almost surely, 2^70194420 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 70194420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106928640).

70194420 is an abundant number, since it is smaller than the sum of its proper divisors (143662860).

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

70194420 is a wasteful number, since it uses less digits than its factorization.

70194420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70194420 is about 8378.2110262275. The cubic root of 70194420 is about 412.5097297980.

The spelling of 70194420 in words is "seventy million, one hundred ninety-four thousand, four hundred twenty".