70828793 has 16 divisors (see below), whose sum is σ = 82452480. Its totient is φ = 59591376.

The previous prime is 70828787. The next prime is 70828801. The reversal of 70828793 is 39782807.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70828793 - 2¹⁸ = 70566649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70828493) 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 15 ways as a sum of consecutive naturals, for example, 145196 + ... + 145682.

It is an arithmetic number, because the mean of its divisors is an integer number (5153280).

Almost surely, 2^70828793 is an apocalyptic number.

It is an amenable number.

70828793 is a deficient number, since it is larger than the sum of its proper divisors (11623687).

70828793 is a wasteful number, since it uses less digits than its factorization.

70828793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 70828793 is about 8415.9843749855. The cubic root of 70828793 is about 413.7486727899.

The spelling of 70828793 in words is "seventy million, eight hundred twenty-eight thousand, seven hundred ninety-three".