70667808 has 48 divisors (see below), whose sum is σ = 186391296. Its totient is φ = 23443200.

The previous prime is 70667801. The next prime is 70667813. The reversal of 70667808 is 80876607.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 70667808.

It is not an unprimeable number, because it can be changed into a prime (70667801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19758 + ... + 23058.

It is an arithmetic number, because the mean of its divisors is an integer number (3883152).

Almost surely, 2^70667808 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 70667808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93195648).

70667808 is an abundant number, since it is smaller than the sum of its proper divisors (115723488).

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

70667808 is a wasteful number, since it uses less digits than its factorization.

70667808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537 (or 3529 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 70667808 is about 8406.4146935540. The cubic root of 70667808 is about 413.4349686475.

The spelling of 70667808 in words is "seventy million, six hundred sixty-seven thousand, eight hundred eight".