70107249 has 4 divisors (see below), whose sum is σ = 93476336. Its totient is φ = 46738164.

The previous prime is 70107241. The next prime is 70107293. The reversal of 70107249 is 94270107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94270107 = 3 ⋅31423369.

It is not a de Polignac number, because 70107249 - 2³ = 70107241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70107241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11684539 + ... + 11684544.

It is an arithmetic number, because the mean of its divisors is an integer number (23369084).

Almost surely, 2^70107249 is an apocalyptic number.

It is an amenable number.

70107249 is a deficient number, since it is larger than the sum of its proper divisors (23369087).

70107249 is a wasteful number, since it uses less digits than its factorization.

70107249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23369086.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 70107249 is about 8373.0071658873. The cubic root of 70107249 is about 412.3389005445.

The spelling of 70107249 in words is "seventy million, one hundred seven thousand, two hundred forty-nine".