70428582 has 96 divisors (see below), whose sum is σ = 186595200. Its totient is φ = 19622736.

The previous prime is 70428557. The next prime is 70428643. The reversal of 70428582 is 28582407.

It is a happy number.

70428582 is a `hidden beast` number, since 70 + 4 + 2 + 8 + 582 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 113469 + ... + 114087.

It is an arithmetic number, because the mean of its divisors is an integer number (1943700).

Almost surely, 2^70428582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70428582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93297600).

70428582 is an abundant number, since it is smaller than the sum of its proper divisors (116166618).

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

70428582 is a wasteful number, since it uses less digits than its factorization.

70428582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 70428582 is about 8392.1738542525. The cubic root of 70428582 is about 412.9679186035.

The spelling of 70428582 in words is "seventy million, four hundred twenty-eight thousand, five hundred eighty-two".