70218027 has 12 divisors (see below), whose sum is σ = 110646744. Its totient is φ = 42556320.

The previous prime is 70218023. The next prime is 70218059. The reversal of 70218027 is 72081207.

It is not a de Polignac number, because 70218027 - 2² = 70218023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70218023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354538 + ... + 354735.

It is an arithmetic number, because the mean of its divisors is an integer number (9220562).

Almost surely, 2^70218027 is an apocalyptic number.

70218027 is a deficient number, since it is larger than the sum of its proper divisors (40428717).

70218027 is a wasteful number, since it uses less digits than its factorization.

70218027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709290 (or 709287 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 70218027 is about 8379.6197407758. The cubic root of 70218027 is about 412.5559681634. Note that the first 3 decimals are identical.

It can be divided in two parts, 702180 and 27, that added together give a palindrome (702207).

The spelling of 70218027 in words is "seventy million, two hundred eighteen thousand, twenty-seven".