70816064 has 28 divisors (see below), whose sum is σ = 153302208. Its totient is φ = 32188800.

The previous prime is 70816063. The next prime is 70816079. The reversal of 70816064 is 46061807.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 70816064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70816063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49592 + ... + 50999.

Almost surely, 2^70816064 is an apocalyptic number.

It is an amenable number.

70816064 is an abundant number, since it is smaller than the sum of its proper divisors (82486144).

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

70816064 is a wasteful number, since it uses less digits than its factorization.

70816064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100614 (or 100604 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 70816064 is about 8415.2281014836. The cubic root of 70816064 is about 413.7238856840.

The spelling of 70816064 in words is "seventy million, eight hundred sixteen thousand, sixty-four".