70099173 has 12 divisors (see below), whose sum is σ = 101431200. Its totient is φ = 46651176.

The previous prime is 70099171. The next prime is 70099207. The reversal of 70099173 is 37199007.

It is not a de Polignac number, because 70099173 - 2¹ = 70099171 is a prime.

It is a super-3 number, since 3×70099173³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70099171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (8452600).

Almost surely, 2^70099173 is an apocalyptic number.

It is an amenable number.

70099173 is a deficient number, since it is larger than the sum of its proper divisors (31332027).

70099173 is a wasteful number, since it uses less digits than its factorization.

70099173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13608 (or 13605 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 70099173 is about 8372.5248879893. The cubic root of 70099173 is about 412.3230668188.

The spelling of 70099173 in words is "seventy million, ninety-nine thousand, one hundred seventy-three".