70220346 has 32 divisors (see below), whose sum is σ = 160759680. Its totient is φ = 20030976.

The previous prime is 70220329. The next prime is 70220401. The reversal of 70220346 is 64302207.

It is a Curzon number.

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, 41550 + ... + 43206.

It is an arithmetic number, because the mean of its divisors is an integer number (5023740).

Almost surely, 2^70220346 is an apocalyptic number.

70220346 is an abundant number, since it is smaller than the sum of its proper divisors (90539334).

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

70220346 is a wasteful number, since it uses less digits than its factorization.

70220346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 70220346 is about 8379.7581110674. The cubic root of 70220346 is about 412.5605097643.

The spelling of 70220346 in words is "seventy million, two hundred twenty thousand, three hundred forty-six".