70651968 has 84 divisors (see below), whose sum is σ = 191981328. Its totient is φ = 22929920.

The previous prime is 70651961. The next prime is 70652003. The reversal of 70651968 is 86915607.

It is not an unprimeable number, because it can be changed into a prime (70651961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539263 + ... + 539393.

It is an arithmetic number, because the mean of its divisors is an integer number (2285492).

Almost surely, 2^70651968 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 70651968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95990664).

70651968 is an abundant number, since it is smaller than the sum of its proper divisors (121329360).

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

70651968 is a wasteful number, since it uses less digits than its factorization.

70651968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70651968 is about 8405.4725030780. The cubic root of 70651968 is about 413.4040762254.

The spelling of 70651968 in words is "seventy million, six hundred fifty-one thousand, nine hundred sixty-eight".