70270055 has 4 divisors (see below), whose sum is σ = 84324072. Its totient is φ = 56216040.

The previous prime is 70270051. The next prime is 70270073. The reversal of 70270055 is 55007207.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70270055 - 2² = 70270051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70270051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7027001 + ... + 7027010.

It is an arithmetic number, because the mean of its divisors is an integer number (21081018).

Almost surely, 2^70270055 is an apocalyptic number.

70270055 is a deficient number, since it is larger than the sum of its proper divisors (14054017).

70270055 is a wasteful number, since it uses less digits than its factorization.

70270055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14054016.

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 70270055 is about 8382.7236027439. The cubic root of 70270055 is about 412.6578373636.

The spelling of 70270055 in words is "seventy million, two hundred seventy thousand, fifty-five".