70426163 has 4 divisors (see below), whose sum is σ = 71924640. Its totient is φ = 68927688.

The previous prime is 70426129. The next prime is 70426177. The reversal of 70426163 is 36162407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36162407 = 881 ⋅41047.

It is a cyclic number.

It is not a de Polignac number, because 70426163 - 2¹⁸ = 70164019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70426183) 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, 749168 + ... + 749261.

It is an arithmetic number, because the mean of its divisors is an integer number (17981160).

Almost surely, 2^70426163 is an apocalyptic number.

70426163 is a deficient number, since it is larger than the sum of its proper divisors (1498477).

70426163 is a wasteful number, since it uses less digits than its factorization.

70426163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498476.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70426163 is about 8392.0297306432. The cubic root of 70426163 is about 412.9631905002.

The spelling of 70426163 in words is "seventy million, four hundred twenty-six thousand, one hundred sixty-three".