70399307 has 8 divisors (see below), whose sum is σ = 78058992. Its totient is φ = 62949600.

The previous prime is 70399291. The next prime is 70399321.

70399307 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 70399307 - 2⁴ = 70399291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70399387) 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, 51788 + ... + 53129.

It is an arithmetic number, because the mean of its divisors is an integer number (9757374).

Almost surely, 2^70399307 is an apocalyptic number.

70399307 is a deficient number, since it is larger than the sum of its proper divisors (7659685).

70399307 is a wasteful number, since it uses less digits than its factorization.

70399307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104989.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 70399307 is about 8390.4294884112. The cubic root of 70399307 is about 412.9106913104.

The spelling of 70399307 in words is "seventy million, three hundred ninety-nine thousand, three hundred seven".