70279018 has 4 divisors (see below), whose sum is σ = 105418530. Its totient is φ = 35139508.

The previous prime is 70278997. The next prime is 70279049. The reversal of 70279018 is 81097207.

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

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 439569 = 8357^2 + 663^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17569753 + ... + 17569756.

Almost surely, 2^70279018 is an apocalyptic number.

70279018 is a deficient number, since it is larger than the sum of its proper divisors (35139512).

70279018 is a wasteful number, since it uses less digits than its factorization.

70279018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35139511.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 70279018 is about 8383.2581971451. The cubic root of 70279018 is about 412.6753815600.

The spelling of 70279018 in words is "seventy million, two hundred seventy-nine thousand, eighteen".