70544 has 10 divisors (see below), whose sum is σ = 136710. Its totient is φ = 35264.

The previous prime is 70537. The next prime is 70549. The reversal of 70544 is 44507.

It can be written as a sum of positive squares in only one way, i.e., 44944 + 25600 = 212^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (70549) by changing a digit.

70544 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189 + ... + 2220.

It is an arithmetic number, because the mean of its divisors is an integer number (13671).

2⁷⁰⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

70544 is a deficient number, since it is larger than the sum of its proper divisors (66166).

70544 is a wasteful number, since it uses less digits than its factorization.

70544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417 (or 4411 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 70544 is about 265.6012048165. The cubic root of 70544 is about 41.3193385388.

The spelling of 70544 in words is "seventy thousand, five hundred forty-four".