70043399 has 8 divisors (see below), whose sum is σ = 71434272. Its totient is φ = 68666400.

The previous prime is 70043387. The next prime is 70043401. The reversal of 70043399 is 99334007.

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 70043399 - 2⁸ = 70043143 is a prime.

It is a super-3 number, since 3×70043399³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70043339) 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, 7037 + ... + 13769.

It is an arithmetic number, because the mean of its divisors is an integer number (8929284).

Almost surely, 2^70043399 is an apocalyptic number.

70043399 is a deficient number, since it is larger than the sum of its proper divisors (1390873).

70043399 is a wasteful number, since it uses less digits than its factorization.

70043399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 70043399 is about 8369.1934497895. The cubic root of 70043399 is about 412.2136836523.

The spelling of 70043399 in words is "seventy million, forty-three thousand, three hundred ninety-nine".