70913964 has 48 divisors (see below), whose sum is σ = 183488256. Its totient is φ = 21134400.

The previous prime is 70913963. The next prime is 70913977. The reversal of 70913964 is 46931907.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70913963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3649 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (3822672).

Almost surely, 2^70913964 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 70913964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91744128).

70913964 is an abundant number, since it is smaller than the sum of its proper divisors (112574292).

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

70913964 is a wasteful number, since it uses less digits than its factorization.

70913964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886 (or 8884 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 70913964 is about 8421.0429282839. The cubic root of 70913964 is about 413.9144494048.

The spelling of 70913964 in words is "seventy million, nine hundred thirteen thousand, nine hundred sixty-four".