70693888 has 88 divisors (see below), whose sum is σ = 155637504. Its totient is φ = 31948800.

The previous prime is 70693879. The next prime is 70693897. The reversal of 70693888 is 88839607.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70693879) and next prime (70693897).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539583 + ... + 539713.

It is an arithmetic number, because the mean of its divisors is an integer number (1768608).

Almost surely, 2^70693888 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 70693888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77818752).

70693888 is an abundant number, since it is smaller than the sum of its proper divisors (84943616).

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

70693888 is a wasteful number, since it uses less digits than its factorization.

70693888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 70693888 is about 8407.9657468379. The cubic root of 70693888 is about 413.4858218726.

The spelling of 70693888 in words is "seventy million, six hundred ninety-three thousand, eight hundred eighty-eight".