70440084 has 96 divisors (see below), whose sum is σ = 214596480. Its totient is φ = 19699200.

The previous prime is 70440067. The next prime is 70440089. The reversal of 70440084 is 48004407.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70440089) 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 31 ways as a sum of consecutive naturals, for example, 13164 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (2235380).

Almost surely, 2^70440084 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 70440084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107298240).

70440084 is an abundant number, since it is smaller than the sum of its proper divisors (144156396).

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

70440084 is a wasteful number, since it uses less digits than its factorization.

70440084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70440084 is about 8392.8591075986. The cubic root of 70440084 is about 412.9903985792.

The spelling of 70440084 in words is "seventy million, four hundred forty thousand, eighty-four".