70231385 has 8 divisors (see below), whose sum is σ = 96317376. Its totient is φ = 48158640.

The previous prime is 70231379. The next prime is 70231387. The reversal of 70231385 is 58313207.

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

It is not a de Polignac number, because 70231385 - 2⁸ = 70231129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70231387) 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, 1003271 + ... + 1003340.

It is an arithmetic number, because the mean of its divisors is an integer number (12039672).

Almost surely, 2^70231385 is an apocalyptic number.

It is an amenable number.

70231385 is a deficient number, since it is larger than the sum of its proper divisors (26085991).

70231385 is a wasteful number, since it uses less digits than its factorization.

70231385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006623.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 70231385 is about 8380.4167557467. The cubic root of 70231385 is about 412.5821275104.

The spelling of 70231385 in words is "seventy million, two hundred thirty-one thousand, three hundred eighty-five".