70063999 has 8 divisors (see below), whose sum is σ = 73029632. Its totient is φ = 67142520.

The previous prime is 70063997. The next prime is 70064047. The reversal of 70063999 is 99936007.

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 70063999 - 2¹ = 70063997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70063997) 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, 7779 + ... + 14164.

It is an arithmetic number, because the mean of its divisors is an integer number (9128704).

Almost surely, 2^70063999 is an apocalyptic number.

70063999 is a deficient number, since it is larger than the sum of its proper divisors (2965633).

70063999 is a wasteful number, since it uses less digits than its factorization.

70063999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22077.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 70063999 is about 8370.4240633316. The cubic root of 70063999 is about 412.2540908363.

The spelling of 70063999 in words is "seventy million, sixty-three thousand, nine hundred ninety-nine".