70500 has 48 divisors (see below), whose sum is σ = 209664. Its totient is φ = 18400.

The previous prime is 70489. The next prime is 70501. The reversal of 70500 is 507.

70500 is a nontrivial binomial coefficient, being equal to C(376, 2).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (70501) by changing a digit.

70500 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, 1477 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (4368).

2⁷⁰⁵⁰⁰ is an apocalyptic number.

70500 is the 375-th triangular number and also the 188-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104832).

70500 is an abundant number, since it is smaller than the sum of its proper divisors (139164).

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

70500 is a wasteful number, since it uses less digits than its factorization.

70500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 12.

The square root of 70500 is about 265.5183609470. The cubic root of 70500 is about 41.3107461283.

The spelling of 70500 in words is "seventy thousand, five hundred".