70331307 has 8 divisors (see below), whose sum is σ = 95174976. Its totient is φ = 46187592.

The previous prime is 70331267. The next prime is 70331321. The reversal of 70331307 is 70313307.

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

It is not a de Polignac number, because 70331307 - 2¹² = 70327211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70331347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174753 + ... + 175154.

It is an arithmetic number, because the mean of its divisors is an integer number (11896872).

Almost surely, 2^70331307 is an apocalyptic number.

70331307 is a deficient number, since it is larger than the sum of its proper divisors (24843669).

70331307 is a wasteful number, since it uses less digits than its factorization.

70331307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349977.

The product of its (nonzero) digits is 1323, while the sum is 24.

The square root of 70331307 is about 8386.3762734568. The cubic root of 70331307 is about 412.7777024436. Note that the first 4 decimals are identical.

The spelling of 70331307 in words is "seventy million, three hundred thirty-one thousand, three hundred seven".