70055155 has 8 divisors (see below), whose sum is σ = 86965200. Its totient is φ = 54111456.

The previous prime is 70055149. The next prime is 70055159. The reversal of 70055155 is 55155007.

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

It is a cyclic number.

It is not a de Polignac number, because 70055155 - 2⁹ = 70054643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70055159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241425 + ... + 241714.

It is an arithmetic number, because the mean of its divisors is an integer number (10870650).

Almost surely, 2^70055155 is an apocalyptic number.

70055155 is a deficient number, since it is larger than the sum of its proper divisors (16910045).

70055155 is a wasteful number, since it uses less digits than its factorization.

70055155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483173.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 70055155 is about 8369.8957580128. The cubic root of 70055155 is about 412.2367441788.

It can be divided in two parts, 700 and 55155, that added together give a palindrome (55855).

The spelling of 70055155 in words is "seventy million, fifty-five thousand, one hundred fifty-five".