70656230 has 16 divisors (see below), whose sum is σ = 132711264. Its totient is φ = 27033600.

The previous prime is 70656227. The next prime is 70656259. The reversal of 70656230 is 3265607.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70656193 and 70656202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153371 + ... + 153830.

It is an arithmetic number, because the mean of its divisors is an integer number (8294454).

Almost surely, 2^70656230 is an apocalyptic number.

70656230 is a deficient number, since it is larger than the sum of its proper divisors (62055034).

70656230 is a wasteful number, since it uses less digits than its factorization.

70656230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307231.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 70656230 is about 8405.7260245621. The cubic root of 70656230 is about 413.4123887693.

The spelling of 70656230 in words is "seventy million, six hundred fifty-six thousand, two hundred thirty".