70223873 has 4 divisors (see below), whose sum is σ = 70253568. Its totient is φ = 70194180.

The previous prime is 70223869. The next prime is 70223911. The reversal of 70223873 is 37832207.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70223873 - 2² = 70223869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70223833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10961 + ... + 16142.

It is an arithmetic number, because the mean of its divisors is an integer number (17563392).

Almost surely, 2^70223873 is an apocalyptic number.

It is an amenable number.

70223873 is a deficient number, since it is larger than the sum of its proper divisors (29695).

70223873 is a wasteful number, since it uses less digits than its factorization.

70223873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29694.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 70223873 is about 8379.9685560269. The cubic root of 70223873 is about 412.5674169578.

The spelling of 70223873 in words is "seventy million, two hundred twenty-three thousand, eight hundred seventy-three".