70081938 has 24 divisors (see below), whose sum is σ = 152023248. Its totient is φ = 23333112.

The previous prime is 70081909. The next prime is 70082003. The reversal of 70081938 is 83918007.

It is a super-2 number, since 2×70081938² = 9822956067671688, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 18481 + ... + 21947.

It is an arithmetic number, because the mean of its divisors is an integer number (6334302).

Almost surely, 2^70081938 is an apocalyptic number.

70081938 is an abundant number, since it is smaller than the sum of its proper divisors (81941310).

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

70081938 is a wasteful number, since it uses less digits than its factorization.

70081938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 70081938 is about 8371.4955653097. The cubic root of 70081938 is about 412.2892719810.

The spelling of 70081938 in words is "seventy million, eighty-one thousand, nine hundred thirty-eight".