70853818 has 32 divisors (see below), whose sum is σ = 124456320. Its totient is φ = 29626560.

The previous prime is 70853791. The next prime is 70853819. The reversal of 70853818 is 81835807.

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 not an unprimeable number, because it can be changed into a prime (70853819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138948 + ... + 139456.

It is an arithmetic number, because the mean of its divisors is an integer number (3889260).

Almost surely, 2^70853818 is an apocalyptic number.

70853818 is a deficient number, since it is larger than the sum of its proper divisors (53602502).

70853818 is a wasteful number, since it uses less digits than its factorization.

70853818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 70853818 is about 8417.4709978710. The cubic root of 70853818 is about 413.7973951664.

The spelling of 70853818 in words is "seventy million, eight hundred fifty-three thousand, eight hundred eighteen".