70674556221 has 6 divisors (see below), whose sum is σ = 102085470110. Its totient is φ = 47116370808.

The previous prime is 70674556189. The next prime is 70674556231. The reversal of 70674556221 is 12265547607.

70674556221 is a `hidden beast` number, since 7 + 0 + 6 + 74 + 556 + 2 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60597207225 + 10077348996 = 246165^2 + 100386^2 .

It is not a de Polignac number, because 70674556221 - 2⁵ = 70674556189 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 (70674556231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3926364226 + ... + 3926364243.

Almost surely, 2^70674556221 is an apocalyptic number.

It is an amenable number.

70674556221 is a deficient number, since it is larger than the sum of its proper divisors (31410913889).

70674556221 is a wasteful number, since it uses less digits than its factorization.

70674556221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852728475 (or 7852728472 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 70674556221 in words is "seventy billion, six hundred seventy-four million, five hundred fifty-six thousand, two hundred twenty-one".