70648227 has 32 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 43282080.

The previous prime is 70648223. The next prime is 70648231. The reversal of 70648227 is 72284607.

70648227 is a `hidden beast` number, since 7 + 0 + 648 + 2 + 2 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (70648223) and next prime (70648231).

It is not a de Polignac number, because 70648227 - 2² = 70648223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70648191 and 70648200.

It is not an unprimeable number, because it can be changed into a prime (70648223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151048 + ... + 151514.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^70648227 is an apocalyptic number.

70648227 is the 4203-rd decagonal number.

70648227 is a deficient number, since it is larger than the sum of its proper divisors (42570333).

70648227 is a wasteful number, since it uses less digits than its factorization.

70648227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70648227 is about 8405.2499665388. The cubic root of 70648227 is about 413.3967795570.

The spelling of 70648227 in words is "seventy million, six hundred forty-eight thousand, two hundred twenty-seven".