70011999 has 16 divisors (see below), whose sum is σ = 105930240. Its totient is φ = 45680760.

The previous prime is 70011983. The next prime is 70012039. The reversal of 70011999 is 99911007.

It is not a de Polignac number, because 70011999 - 2⁴ = 70011983 is a prime.

It is a super-3 number, since 3×70011999³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70011959) 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 15 ways as a sum of consecutive naturals, for example, 26317 + ... + 28854.

It is an arithmetic number, because the mean of its divisors is an integer number (6620640).

Almost surely, 2^70011999 is an apocalyptic number.

70011999 is a deficient number, since it is larger than the sum of its proper divisors (35918241).

70011999 is a wasteful number, since it uses less digits than its factorization.

70011999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55227 (or 55221 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 70011999 is about 8367.3173120182. The cubic root of 70011999 is about 412.1520768747.

The spelling of 70011999 in words is "seventy million, eleven thousand, nine hundred ninety-nine".