70131063 has 4 divisors (see below), whose sum is σ = 93508088. Its totient is φ = 46754040.

The previous prime is 70131049. The next prime is 70131091. The reversal of 70131063 is 36013107.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70131063 - 2¹⁸ = 69868919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70131013) 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, 11688508 + ... + 11688513.

It is an arithmetic number, because the mean of its divisors is an integer number (23377022).

Almost surely, 2^70131063 is an apocalyptic number.

70131063 is a deficient number, since it is larger than the sum of its proper divisors (23377025).

70131063 is a wasteful number, since it uses less digits than its factorization.

70131063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23377024.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 70131063 is about 8374.4291148711. The cubic root of 70131063 is about 412.3855829589.

The spelling of 70131063 in words is "seventy million, one hundred thirty-one thousand, sixty-three".