70885500 has 192 divisors, whose sum is σ = 242930688. Its totient is φ = 15724800.

The previous prime is 70885489. The next prime is 70885501. The reversal of 70885500 is 558807.

It is a super-2 number, since 2×70885500² = 10049508220500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70885501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 451422 + ... + 451578.

It is an arithmetic number, because the mean of its divisors is an integer number (1265264).

Almost surely, 2^70885500 is an apocalyptic number.

70885500 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70885500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121465344).

70885500 is an abundant number, since it is smaller than the sum of its proper divisors (172045188).

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

70885500 is a wasteful number, since it uses less digits than its factorization.

70885500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 70885500 is about 8419.3527067109. The cubic root of 70885500 is about 413.8590619234.

The spelling of 70885500 in words is "seventy million, eight hundred eighty-five thousand, five hundred".