70036668 has 72 divisors (see below), whose sum is σ = 201893328. Its totient is φ = 20279808.

The previous prime is 70036667. The next prime is 70036693. The reversal of 70036668 is 86663007.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70036663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3555 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (2804074).

Almost surely, 2^70036668 is an apocalyptic number.

70036668 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70036668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100946664).

70036668 is an abundant number, since it is smaller than the sum of its proper divisors (131856660).

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

70036668 is a wasteful number, since it uses less digits than its factorization.

70036668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8843 (or 8838 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 70036668 is about 8368.7913105777. The cubic root of 70036668 is about 412.2004789857.

The spelling of 70036668 in words is "seventy million, thirty-six thousand, six hundred sixty-eight".