70828855 has 8 divisors (see below), whose sum is σ = 85099392. Its totient is φ = 56593248.

The previous prime is 70828847. The next prime is 70828861. The reversal of 70828855 is 55882807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70828855 - 2³ = 70828847 is a prime.

It is a super-2 number, since 2×70828855² = 10033453401222050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 4039 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (10637424).

Almost surely, 2^70828855 is an apocalyptic number.

70828855 is a deficient number, since it is larger than the sum of its proper divisors (14270537).

70828855 is a wasteful number, since it uses less digits than its factorization.

70828855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 70828855 is about 8415.9880584516. The cubic root of 70828855 is about 413.7487935149.

The spelling of 70828855 in words is "seventy million, eight hundred twenty-eight thousand, eight hundred fifty-five".