70456 has 8 divisors (see below), whose sum is σ = 132120. Its totient is φ = 35224.

The previous prime is 70451. The next prime is 70457. The reversal of 70456 is 65407.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70451) by changing a digit.

70456 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 as a sum of consecutive naturals, namely, 4396 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (16515).

2⁷⁰⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

70456 is a deficient number, since it is larger than the sum of its proper divisors (61664).

70456 is a wasteful number, since it uses less digits than its factorization.

70456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813 (or 8809 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 70456 is about 265.4354912215. The cubic root of 70456 is about 41.3021501420.

The spelling of 70456 in words is "seventy thousand, four hundred fifty-six".