70359986 has 8 divisors (see below), whose sum is σ = 105812460. Its totient is φ = 35089168.

The previous prime is 70359979. The next prime is 70360019. The reversal of 70359986 is 68995307.

It can be written as a sum of positive squares in 2 ways, for example, as 63760225 + 6599761 = 7985^2 + 2569^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70359986.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44441 + ... + 45996.

Almost surely, 2^70359986 is an apocalyptic number.

70359986 is a deficient number, since it is larger than the sum of its proper divisors (35452474).

70359986 is a wasteful number, since it uses less digits than its factorization.

70359986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90828.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 70359986 is about 8388.0859556874. The cubic root of 70359986 is about 412.8338009462.

The spelling of 70359986 in words is "seventy million, three hundred fifty-nine thousand, nine hundred eighty-six".