70345238 has 8 divisors (see below), whose sum is σ = 107004240. Its totient is φ = 34677160.

The previous prime is 70345237. The next prime is 70345241. The reversal of 70345238 is 83254307.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70345237) 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, 247553 + ... + 247836.

It is an arithmetic number, because the mean of its divisors is an integer number (13375530).

Almost surely, 2^70345238 is an apocalyptic number.

70345238 is a deficient number, since it is larger than the sum of its proper divisors (36659002).

70345238 is a wasteful number, since it uses less digits than its factorization.

70345238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495462.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 70345238 is about 8387.2068056058. The cubic root of 70345238 is about 412.8049545394.

The spelling of 70345238 in words is "seventy million, three hundred forty-five thousand, two hundred thirty-eight".