70147056 has 160 divisors (see below), whose sum is σ = 224271360. Its totient is φ = 18450432.

The previous prime is 70147043. The next prime is 70147073. The reversal of 70147056 is 65074107.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223956 + ... + 224268.

It is an arithmetic number, because the mean of its divisors is an integer number (1401696).

Almost surely, 2^70147056 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 70147056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112135680).

70147056 is an abundant number, since it is smaller than the sum of its proper divisors (154124304).

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

70147056 is a wasteful number, since it uses less digits than its factorization.

70147056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 70147056 is about 8375.3839314983. The cubic root of 70147056 is about 412.4169279915.

The spelling of 70147056 in words is "seventy million, one hundred forty-seven thousand, fifty-six".