70107818 has 32 divisors (see below), whose sum is σ = 120355200. Its totient is φ = 30317760.

The previous prime is 70107811. The next prime is 70107883. The reversal of 70107818 is 81870107.

It is a super-2 number, since 2×70107818² = 9830212289442248, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70107811) 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, 176396 + ... + 176792.

It is an arithmetic number, because the mean of its divisors is an integer number (3761100).

Almost surely, 2^70107818 is an apocalyptic number.

70107818 is a deficient number, since it is larger than the sum of its proper divisors (50247382).

70107818 is a wasteful number, since it uses less digits than its factorization.

70107818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 3136, while the sum is 32.

The square root of 70107818 is about 8373.0411440527. The cubic root of 70107818 is about 412.3400160744.

The spelling of 70107818 in words is "seventy million, one hundred seven thousand, eight hundred eighteen".