70824312 has 96 divisors (see below), whose sum is σ = 218771280. Its totient is φ = 20505600.

The previous prime is 70824307. The next prime is 70824349. The reversal of 70824312 is 21342807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13687 + ... + 18137.

Almost surely, 2^70824312 is an apocalyptic number.

70824312 is a gapful number since it is divisible by the number (72) 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 70824312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109385640).

70824312 is an abundant number, since it is smaller than the sum of its proper divisors (147946968).

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

70824312 is a wasteful number, since it uses less digits than its factorization.

70824312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70824312 is about 8415.7181511740. The cubic root of 70824312 is about 413.7399473040.

The spelling of 70824312 in words is "seventy million, eight hundred twenty-four thousand, three hundred twelve".