70660436 has 48 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 27412320.

The previous prime is 70660427. The next prime is 70660451. The reversal of 70660436 is 63406607.

It is a congruent number.

It is an unprimeable number.

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, 117665 + ... + 118263.

It is an arithmetic number, because the mean of its divisors is an integer number (3225600).

Almost surely, 2^70660436 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 70660436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77414400).

70660436 is an abundant number, since it is smaller than the sum of its proper divisors (84168364).

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

70660436 is a wasteful number, since it uses less digits than its factorization.

70660436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 70660436 is about 8405.9762074372. The cubic root of 70660436 is about 413.4205917638.

The spelling of 70660436 in words is "seventy million, six hundred sixty thousand, four hundred thirty-six".