70238238 has 16 divisors (see below), whose sum is σ = 160544640. Its totient is φ = 20068056.

The previous prime is 70238213. The next prime is 70238243. The reversal of 70238238 is 83283207.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70238199 and 70238208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836128 + ... + 836211.

It is an arithmetic number, because the mean of its divisors is an integer number (10034040).

Almost surely, 2^70238238 is an apocalyptic number.

70238238 is an abundant number, since it is smaller than the sum of its proper divisors (90306402).

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

70238238 is a wasteful number, since it uses less digits than its factorization.

70238238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672351.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 70238238 is about 8380.8256156539. The cubic root of 70238238 is about 412.5955466457.

The spelling of 70238238 in words is "seventy million, two hundred thirty-eight thousand, two hundred thirty-eight".