70536816 has 240 divisors, whose sum is σ = 247603200. Its totient is φ = 18289152.

The previous prime is 70536793. The next prime is 70536821. The reversal of 70536816 is 61863507.

It is a super-2 number, since 2×70536816² = 9950884822835712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555345 + ... + 555471.

It is an arithmetic number, because the mean of its divisors is an integer number (1031680).

Almost surely, 2^70536816 is an apocalyptic number.

70536816 is a gapful number since it is divisible by the number (76) 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 70536816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123801600).

70536816 is an abundant number, since it is smaller than the sum of its proper divisors (177066384).

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

70536816 is a wasteful number, since it uses less digits than its factorization.

70536816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70536816 is about 8398.6198866242. The cubic root of 70536816 is about 413.1793587661.

The spelling of 70536816 in words is "seventy million, five hundred thirty-six thousand, eight hundred sixteen".