70243986 has 8 divisors (see below), whose sum is σ = 140487984. Its totient is φ = 23414660.

The previous prime is 70243973. The next prime is 70243993. The reversal of 70243986 is 68934207.

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

70243986 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5853660 + ... + 5853671.

It is an arithmetic number, because the mean of its divisors is an integer number (17560998).

Almost surely, 2^70243986 is an apocalyptic number.

70243986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70243986 is a wasteful number, since it uses less digits than its factorization.

70243986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707336.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 70243986 is about 8381.1685342797. The cubic root of 70243986 is about 412.6068013629.

The spelling of 70243986 in words is "seventy million, two hundred forty-three thousand, nine hundred eighty-six".