70680064 has 160 divisors (see below), whose sum is σ = 182863296. Its totient is φ = 26542080.

The previous prime is 70680041. The next prime is 70680091. The reversal of 70680064 is 46008607.

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 15 ways as a sum of consecutive naturals, for example, 1723884 + ... + 1723924.

Almost surely, 2^70680064 is an apocalyptic number.

70680064 is a gapful number since it is divisible by the number (74) 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 70680064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91431648).

70680064 is an abundant number, since it is smaller than the sum of its proper divisors (112183232).

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

70680064 is a wasteful number, since it uses less digits than its factorization.

70680064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70680064 is about 8407.1436290812. The cubic root of 70680064 is about 413.4588681015.

The spelling of 70680064 in words is "seventy million, six hundred eighty thousand, sixty-four".