70430216 has 32 divisors (see below), whose sum is σ = 137712960. Its totient is φ = 33738432.

The previous prime is 70430189. The next prime is 70430219. The reversal of 70430216 is 61203407.

It is a junction number, because it is equal to n+sod(n) for n = 70430191 and 70430200.

It is not an unprimeable number, because it can be changed into a prime (70430219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16301 + ... + 20163.

It is an arithmetic number, because the mean of its divisors is an integer number (4303530).

Almost surely, 2^70430216 is an apocalyptic number.

It is an amenable number.

70430216 is a deficient number, since it is larger than the sum of its proper divisors (67282744).

70430216 is a wasteful number, since it uses less digits than its factorization.

70430216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3961 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70430216 is about 8392.2712062945. The cubic root of 70430216 is about 412.9711123086.

The spelling of 70430216 in words is "seventy million, four hundred thirty thousand, two hundred sixteen".