70106147 has 4 divisors (see below), whose sum is σ = 74230056. Its totient is φ = 65982240.

The previous prime is 70106123. The next prime is 70106149. The reversal of 70106147 is 74160107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74160107 = 7 ⋅10594301.

It is a cyclic number.

It is not a de Polignac number, because 70106147 - 2⁸ = 70105891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70106149) 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 3 ways as a sum of consecutive naturals, for example, 2061929 + ... + 2061962.

It is an arithmetic number, because the mean of its divisors is an integer number (18557514).

Almost surely, 2^70106147 is an apocalyptic number.

70106147 is a deficient number, since it is larger than the sum of its proper divisors (4123909).

70106147 is a wasteful number, since it uses less digits than its factorization.

70106147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123908.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70106147 is about 8372.9413589252. The cubic root of 70106147 is about 412.3367400458.

The spelling of 70106147 in words is "seventy million, one hundred six thousand, one hundred forty-seven".