70358420 has 24 divisors (see below), whose sum is σ = 161185248. Its totient is φ = 25584800.

The previous prime is 70358417. The next prime is 70358429. The reversal of 70358420 is 2485307.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70358429) 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 7 ways as a sum of consecutive naturals, for example, 159686 + ... + 160125.

It is an arithmetic number, because the mean of its divisors is an integer number (6716052).

Almost surely, 2^70358420 is an apocalyptic number.

It is an amenable number.

70358420 is an abundant number, since it is smaller than the sum of its proper divisors (90826828).

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

70358420 is a wasteful number, since it uses less digits than its factorization.

70358420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319831 (or 319829 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70358420 is about 8387.9926084851. The cubic root of 70358420 is about 412.8307381138.

The spelling of 70358420 in words is "seventy million, three hundred fifty-eight thousand, four hundred twenty".