70109918 has 8 divisors (see below), whose sum is σ = 107730000. Its totient is φ = 34199920.

The previous prime is 70109917. The next prime is 70109927. The reversal of 70109918 is 81990107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70109917) 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, 427418 + ... + 427581.

It is an arithmetic number, because the mean of its divisors is an integer number (13466250).

Almost surely, 2^70109918 is an apocalyptic number.

70109918 is a deficient number, since it is larger than the sum of its proper divisors (37620082).

70109918 is a wasteful number, since it uses less digits than its factorization.

70109918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855042.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 70109918 is about 8373.1665455788. The cubic root of 70109918 is about 412.3441330921.

The spelling of 70109918 in words is "seventy million, one hundred nine thousand, nine hundred eighteen".