70665696 has 120 divisors (see below), whose sum is σ = 210394800. Its totient is φ = 23265792.

The previous prime is 70665691. The next prime is 70665703. The reversal of 70665696 is 69656607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70665691) 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 19 ways as a sum of consecutive naturals, for example, 355005 + ... + 355203.

It is an arithmetic number, because the mean of its divisors is an integer number (1753290).

Almost surely, 2^70665696 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 70665696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105197400).

70665696 is an abundant number, since it is smaller than the sum of its proper divisors (139729104).

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

70665696 is a wasteful number, since it uses less digits than its factorization.

70665696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 70665696 is about 8406.2890742586. The cubic root of 70665696 is about 413.4308499247.

The spelling of 70665696 in words is "seventy million, six hundred sixty-five thousand, six hundred ninety-six".