70806016836 has 45 divisors (see below), whose sum is σ = 185113436431. Its totient is φ = 23600409048.

The previous prime is 70806016789. The next prime is 70806016837. The reversal of 70806016836 is 63861060807.

The square root of 70806016836 is 266094.

It is a perfect power (a square), and thus also a powerful number.

70806016836 is a `hidden beast` number, since 7 + 0 + 8 + 0 + 601 + 6 + 8 + 36 = 666.

It is a super-4 number, since 4×70806016836⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70806016791 and 70806016800.

It is not an unprimeable number, because it can be changed into a prime (70806016837) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4782301 + ... + 4797083.

Almost surely, 2^70806016836 is an apocalyptic number.

70806016836 is the 266094-th square number.

It is an amenable number.

70806016836 is an abundant number, since it is smaller than the sum of its proper divisors (114307419595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70806016836 is an frugal number, since it uses more digits than its factorization.

70806016836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29582 (or 14788 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 70806016836 in words is "seventy billion, eight hundred six million, sixteen thousand, eight hundred thirty-six".