70689120 has 192 divisors, whose sum is σ = 245306880. Its totient is φ = 17031168.

The previous prime is 70689109. The next prime is 70689133. The reversal of 70689120 is 2198607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209592 + ... + 209928.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^70689120 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 70689120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122653440).

70689120 is an abundant number, since it is smaller than the sum of its proper divisors (174617760).

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

70689120 is a wasteful number, since it uses less digits than its factorization.

70689120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 70689120 is about 8407.6822014156. The cubic root of 70689120 is about 413.4765257143.

The spelling of 70689120 in words is "seventy million, six hundred eighty-nine thousand, one hundred twenty".