70442847 has 24 divisors (see below), whose sum is σ = 103744368. Its totient is φ = 46051200.

The previous prime is 70442831. The next prime is 70442851. The reversal of 70442847 is 74824407.

It is not a de Polignac number, because 70442847 - 2⁴ = 70442831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70442807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134947 + ... + 135467.

It is an arithmetic number, because the mean of its divisors is an integer number (4322682).

Almost surely, 2^70442847 is an apocalyptic number.

70442847 is a deficient number, since it is larger than the sum of its proper divisors (33301521).

70442847 is a wasteful number, since it uses less digits than its factorization.

70442847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 70442847 is about 8393.0237102012. The cubic root of 70442847 is about 412.9957983341.

It can be divided in two parts, 70442 and 847, that added together give a square (71289 = 267²).

The spelling of 70442847 in words is "seventy million, four hundred forty-two thousand, eight hundred forty-seven".