70999011 has 24 divisors (see below), whose sum is σ = 107087344. Its totient is φ = 47005920.

The previous prime is 70998971. The next prime is 70999037. The reversal of 70999011 is 11099907.

It is not a de Polignac number, because 70999011 - 2¹⁴ = 70982627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70999081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37221 + ... + 39081.

Almost surely, 2^70999011 is an apocalyptic number.

70999011 is a deficient number, since it is larger than the sum of its proper divisors (36088333).

70999011 is a wasteful number, since it uses less digits than its factorization.

70999011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2021 counting only the distinct ones).

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

The square root of 70999011 is about 8426.0910866190. The cubic root of 70999011 is about 414.0798522720.

It can be divided in two parts, 7099 and 9011, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 70999011 in words is "seventy million, nine hundred ninety-nine thousand, eleven".