70628064 has 96 divisors (see below), whose sum is σ = 211468320. Its totient is φ = 20447232.

The previous prime is 70628053. The next prime is 70628143. The reversal of 70628064 is 46082607.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19552 + ... + 22880.

It is an arithmetic number, because the mean of its divisors is an integer number (2202795).

Almost surely, 2^70628064 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 70628064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105734160).

70628064 is an abundant number, since it is smaller than the sum of its proper divisors (140840256).

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

70628064 is a wasteful number, since it uses less digits than its factorization.

70628064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 70628064 is about 8404.0504520142. The cubic root of 70628064 is about 413.3574480092.

The spelling of 70628064 in words is "seventy million, six hundred twenty-eight thousand, sixty-four".