70220323 has 8 divisors (see below), whose sum is σ = 70955280. Its totient is φ = 69488640.

The previous prime is 70220321. The next prime is 70220329. The reversal of 70220323 is 32302207.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70220323 - 2¹ = 70220321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70220323.

It is not an unprimeable number, because it can be changed into a prime (70220321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75123 + ... + 76051.

It is an arithmetic number, because the mean of its divisors is an integer number (8869410).

Almost surely, 2^70220323 is an apocalyptic number.

70220323 is a deficient number, since it is larger than the sum of its proper divisors (734957).

70220323 is a wasteful number, since it uses less digits than its factorization.

70220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 70220323 is about 8379.7567387126. The cubic root of 70220323 is about 412.5604647209.

It can be divided in two parts, 702 and 20323, that added together give a square (21025 = 145²).

The spelling of 70220323 in words is "seventy million, two hundred twenty thousand, three hundred twenty-three".