70453500 has 96 divisors (see below), whose sum is σ = 221003328. Its totient is φ = 17337600.

The previous prime is 70453477. The next prime is 70453511. The reversal of 70453500 is 535407.

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, 17694 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (2302118).

Almost surely, 2^70453500 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 70453500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110501664).

70453500 is an abundant number, since it is smaller than the sum of its proper divisors (150549828).

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

70453500 is a wasteful number, since it uses less digits than its factorization.

70453500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3636 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 70453500 is about 8393.6583204226. The cubic root of 70453500 is about 413.0166162626.

Adding to 70453500 its reverse (535407), we get a palindrome (70988907).

The spelling of 70453500 in words is "seventy million, four hundred fifty-three thousand, five hundred".