70253986 has 8 divisors (see below), whose sum is σ = 114961104. Its totient is φ = 31933620.

The previous prime is 70253977. The next prime is 70253993. The reversal of 70253986 is 68935207.

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

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, 1596660 + ... + 1596703.

It is an arithmetic number, because the mean of its divisors is an integer number (14370138).

Almost surely, 2^70253986 is an apocalyptic number.

70253986 is a deficient number, since it is larger than the sum of its proper divisors (44707118).

70253986 is a wasteful number, since it uses less digits than its factorization.

70253986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193376.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 70253986 is about 8381.7650885717. The cubic root of 70253986 is about 412.6263801314.

It can be divided in two parts, 7025 and 3986, that added together give a palindrome (11011).

The spelling of 70253986 in words is "seventy million, two hundred fifty-three thousand, nine hundred eighty-six".