70020500 has 96 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 24528000.

The previous prime is 70020499. The next prime is 70020521. The reversal of 70020500 is 502007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159281 + ... + 159719.

It is an arithmetic number, because the mean of its divisors is an integer number (1801800).

Almost surely, 2^70020500 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 70020500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86486400).

70020500 is an abundant number, since it is smaller than the sum of its proper divisors (102952300).

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

70020500 is a wasteful number, since it uses less digits than its factorization.

70020500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 70020500 is about 8367.8252849830. The cubic root of 70020500 is about 412.1687576487.

Adding to 70020500 its reverse (502007), we get a palindrome (70522507).

The spelling of 70020500 in words is "seventy million, twenty thousand, five hundred".