70448113 has 4 divisors (see below), whose sum is σ = 70489408. Its totient is φ = 70406820.

The previous prime is 70448101. The next prime is 70448123. The reversal of 70448113 is 31184407.

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: 31184407 = 71 ⋅439217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70448113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70448123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17973 + ... + 21538.

It is an arithmetic number, because the mean of its divisors is an integer number (17622352).

Almost surely, 2^70448113 is an apocalyptic number.

It is an amenable number.

70448113 is a deficient number, since it is larger than the sum of its proper divisors (41295).

70448113 is a wasteful number, since it uses less digits than its factorization.

70448113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41294.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 70448113 is about 8393.3374172614. The cubic root of 70448113 is about 413.0060893325.

The spelling of 70448113 in words is "seventy million, four hundred forty-eight thousand, one hundred thirteen".