70336678 has 4 divisors (see below), whose sum is σ = 105505020. Its totient is φ = 35168338.

The previous prime is 70336657. The next prime is 70336681. The reversal of 70336678 is 87663307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87663307 = 223 ⋅393109.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 70336678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17584168 + ... + 17584171.

It is an arithmetic number, because the mean of its divisors is an integer number (26376255).

Almost surely, 2^70336678 is an apocalyptic number.

70336678 is a deficient number, since it is larger than the sum of its proper divisors (35168342).

70336678 is a wasteful number, since it uses less digits than its factorization.

70336678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35168341.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 70336678 is about 8386.6964890832. The cubic root of 70336678 is about 412.7882097255.

The spelling of 70336678 in words is "seventy million, three hundred thirty-six thousand, six hundred seventy-eight".