70840718 has 32 divisors (see below), whose sum is σ = 118423200. Its totient is φ = 31570560.

The previous prime is 70840711. The next prime is 70840753. The reversal of 70840718 is 81704807.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70840711) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 202808 + ... + 203156.

It is an arithmetic number, because the mean of its divisors is an integer number (3700725).

Almost surely, 2^70840718 is an apocalyptic number.

70840718 is a deficient number, since it is larger than the sum of its proper divisors (47582482).

70840718 is a wasteful number, since it uses less digits than its factorization.

70840718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 70840718 is about 8416.6928184412. The cubic root of 70840718 is about 413.7718915772.

The spelling of 70840718 in words is "seventy million, eight hundred forty thousand, seven hundred eighteen".