70356 has 48 divisors (see below), whose sum is σ = 197568. Its totient is φ = 19200.

The previous prime is 70351. The next prime is 70373. The reversal of 70356 is 65307.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70356.

It is not an unprimeable number, because it can be changed into a prime (70351) by changing a digit.

70356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (4116).

2⁷⁰³⁵⁶ 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 70356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98784).

70356 is an abundant number, since it is smaller than the sum of its proper divisors (127212).

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

70356 is a wasteful number, since it uses less digits than its factorization.

With its successor (70357) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (72).

70356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 70356 is about 265.2470546491. The cubic root of 70356 is about 41.2826004912.

The spelling of 70356 in words is "seventy thousand, three hundred fifty-six".