70889088 has 32 divisors (see below), whose sum is σ = 188300160. Its totient is φ = 23629568.

The previous prime is 70889083. The next prime is 70889089. The reversal of 70889088 is 88098807.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (70889083) 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 3 ways as a sum of consecutive naturals, for example, 91920 + ... + 92687.

It is an arithmetic number, because the mean of its divisors is an integer number (5884380).

Almost surely, 2^70889088 is an apocalyptic number.

It is an amenable number.

70889088 is an abundant number, since it is smaller than the sum of its proper divisors (117411072).

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

70889088 is a wasteful number, since it uses less digits than its factorization.

70889088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184624 (or 184612 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 70889088 is about 8419.5657845283. The cubic root of 70889088 is about 413.8660445516.

The spelling of 70889088 in words is "seventy million, eight hundred eighty-nine thousand, eighty-eight".