70389360 has 120 divisors (see below), whose sum is σ = 240542640. Its totient is φ = 18441216.

The previous prime is 70389359. The next prime is 70389373. The reversal of 70389360 is 6398307.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41652 + ... + 43308.

It is an arithmetic number, because the mean of its divisors is an integer number (2004522).

Almost surely, 2^70389360 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 70389360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120271320).

70389360 is an abundant number, since it is smaller than the sum of its proper divisors (170153280).

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

70389360 is a wasteful number, since it uses less digits than its factorization.

70389360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 70389360 is about 8389.8367087805. The cubic root of 70389360 is about 412.8912431261.

The spelling of 70389360 in words is "seventy million, three hundred eighty-nine thousand, three hundred sixty".