70043898 has 16 divisors (see below), whose sum is σ = 140286240. Its totient is φ = 23314896.

The previous prime is 70043891. The next prime is 70043957. The reversal of 70043898 is 89834007.

It is a super-2 number, since 2×70043898² = 9812295294068808, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70043891) 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 7 ways as a sum of consecutive naturals, for example, 3465 + ... + 12332.

It is an arithmetic number, because the mean of its divisors is an integer number (8767890).

Almost surely, 2^70043898 is an apocalyptic number.

70043898 is an abundant number, since it is smaller than the sum of its proper divisors (70242342).

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

70043898 is a wasteful number, since it uses less digits than its factorization.

70043898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16541.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 70043898 is about 8369.2232614503. The cubic root of 70043898 is about 412.2146625413.

The spelling of 70043898 in words is "seventy million, forty-three thousand, eight hundred ninety-eight".