70079231 has 2 divisors, whose sum is σ = 70079232. Its totient is φ = 70079230.

The previous prime is 70079227. The next prime is 70079257. The reversal of 70079231 is 13297007.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70079231 - 2² = 70079227 is a prime.

It is a super-2 number, since 2×70079231² = 9822197235102722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70079194 and 70079203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70079281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35039615 + 35039616.

It is an arithmetic number, because the mean of its divisors is an integer number (35039616).

Almost surely, 2^70079231 is an apocalyptic number.

70079231 is a deficient number, since it is larger than the sum of its proper divisors (1).

70079231 is an equidigital number, since it uses as much as digits as its factorization.

70079231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70079231 is about 8371.3338841549. Note that the first 3 decimals coincide. The cubic root of 70079231 is about 412.2839635213.

The spelling of 70079231 in words is "seventy million, seventy-nine thousand, two hundred thirty-one".