70500864 has 160 divisors (see below), whose sum is σ = 219985920. Its totient is φ = 19648512.

The previous prime is 70500863. The next prime is 70500869. The reversal of 70500864 is 46800507.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70500863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849367 + ... + 849449.

It is an arithmetic number, because the mean of its divisors is an integer number (1374912).

Almost surely, 2^70500864 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 70500864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109992960).

70500864 is an abundant number, since it is smaller than the sum of its proper divisors (149485056).

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

70500864 is an equidigital number, since it uses as much as digits as its factorization.

70500864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 70500864 is about 8396.4792621670. The cubic root of 70500864 is about 413.1091488643.

The spelling of 70500864 in words is "seventy million, five hundred thousand, eight hundred sixty-four".