70001828 has 18 divisors (see below), whose sum is σ = 132652674. Its totient is φ = 32308224.

The previous prime is 70001803. The next prime is 70001849. The reversal of 70001828 is 82810007.

It can be written as a sum of positive squares in 3 ways, for example, as 9193024 + 60808804 = 3032^2 + 7798^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 70001797 and 70001806.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51101 + ... + 52452.

It is an arithmetic number, because the mean of its divisors is an integer number (7369593).

Almost surely, 2^70001828 is an apocalyptic number.

It is an amenable number.

70001828 is a deficient number, since it is larger than the sum of its proper divisors (62650846).

70001828 is a wasteful number, since it uses less digits than its factorization.

70001828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103583 (or 103568 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 70001828 is about 8366.7095085225. The cubic root of 70001828 is about 412.1321174304.

The spelling of 70001828 in words is "seventy million, one thousand, eight hundred twenty-eight".