70838064 has 100 divisors (see below), whose sum is σ = 223709640. Its totient is φ = 21461760.

The previous prime is 70838063. The next prime is 70838083. The reversal of 70838064 is 46083807.

It is a super-2 number, since 2×70838064² = 10036062622536192, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (70838063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11772 + ... + 16740.

Almost surely, 2^70838064 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 70838064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111854820).

70838064 is an abundant number, since it is smaller than the sum of its proper divisors (152871576).

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

70838064 is a wasteful number, since it uses less digits than its factorization.

70838064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70838064 is about 8416.5351540881. The cubic root of 70838064 is about 413.7667242839.

The spelling of 70838064 in words is "seventy million, eight hundred thirty-eight thousand, sixty-four".