70963648 has 112 divisors (see below), whose sum is σ = 172053504. Its totient is φ = 28385280.

The previous prime is 70963643. The next prime is 70963649. The reversal of 70963648 is 84636907.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70963643) by changing a digit.

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, 731536 + ... + 731632.

It is an arithmetic number, because the mean of its divisors is an integer number (1536192).

Almost surely, 2^70963648 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 70963648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86026752).

70963648 is an abundant number, since it is smaller than the sum of its proper divisors (101089856).

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

70963648 is a wasteful number, since it uses less digits than its factorization.

70963648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 70963648 is about 8423.9924026556. The cubic root of 70963648 is about 414.0110929216.

The spelling of 70963648 in words is "seventy million, nine hundred sixty-three thousand, six hundred forty-eight".