70019994 has 32 divisors (see below), whose sum is σ = 154874304. Its totient is φ = 20926080.

The previous prime is 70019951. The next prime is 70020001. The reversal of 70019994 is 49991007.

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 15 ways as a sum of consecutive naturals, for example, 2449 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (4839822).

Almost surely, 2^70019994 is an apocalyptic number.

70019994 is an abundant number, since it is smaller than the sum of its proper divisors (84854310).

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

70019994 is a wasteful number, since it uses less digits than its factorization.

70019994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14622.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 70019994 is about 8367.7950500714. The cubic root of 70019994 is about 412.1677648067.

The spelling of 70019994 in words is "seventy million, nineteen thousand, nine hundred ninety-four".