70389088 has 144 divisors (see below), whose sum is σ = 180986400. Its totient is φ = 26906880.

The previous prime is 70389049. The next prime is 70389107. The reversal of 70389088 is 88098307.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 1328070 + ... + 1328122.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 2^70389088 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 70389088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90493200).

70389088 is an abundant number, since it is smaller than the sum of its proper divisors (110597312).

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

70389088 is a wasteful number, since it uses less digits than its factorization.

70389088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 70389088 is about 8389.8204986758. The cubic root of 70389088 is about 412.8907112912.

The spelling of 70389088 in words is "seventy million, three hundred eighty-nine thousand, eighty-eight".