70289716 has 36 divisors (see below), whose sum is σ = 145133856. Its totient is φ = 29694000.

The previous prime is 70289699. The next prime is 70289717. The reversal of 70289716 is 61798207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70289717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11391 + ... + 16441.

It is an arithmetic number, because the mean of its divisors is an integer number (4031496).

Almost surely, 2^70289716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70289716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72566928).

70289716 is an abundant number, since it is smaller than the sum of its proper divisors (74844140).

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

70289716 is a wasteful number, since it uses less digits than its factorization.

70289716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 70289716 is about 8383.8962302738. The cubic root of 70289716 is about 412.6963198968.

The spelling of 70289716 in words is "seventy million, two hundred eighty-nine thousand, seven hundred sixteen".