70330 has 16 divisors (see below), whose sum is σ = 136584. Its totient is φ = 25920.

The previous prime is 70327. The next prime is 70351. The reversal of 70330 is 3307.

It can be written as a sum of positive squares in 4 ways, for example, as 40401 + 29929 = 201^2 + 173^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 70330.

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 70330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 400.

It is the magic constant of a 52 × 52 magic square.

2⁷⁰³³⁰ is an apocalyptic number.

70330 is a deficient number, since it is larger than the sum of its proper divisors (66254).

70330 is a wasteful number, since it uses less digits than its factorization.

70330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 63, while the sum is 13.

The square root of 70330 is about 265.1980392084. The cubic root of 70330 is about 41.2775145480.

Adding to 70330 its reverse (3307), we get a palindrome (73637).

It can be divided in two parts, 70 and 330, that added together give a square (400 = 20²).

The spelling of 70330 in words is "seventy thousand, three hundred thirty".