70068450 has 24 divisors (see below), whose sum is σ = 173770128. Its totient is φ = 18684880.

The previous prime is 70068433. The next prime is 70068451. The reversal of 70068450 is 5486007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70068451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233412 + ... + 233711.

It is an arithmetic number, because the mean of its divisors is an integer number (7240422).

Almost surely, 2^70068450 is an apocalyptic number.

70068450 is an abundant number, since it is smaller than the sum of its proper divisors (103701678).

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

70068450 is a wasteful number, since it uses less digits than its factorization.

70068450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467138 (or 467133 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 70068450 is about 8370.6899357221. The cubic root of 70068450 is about 412.2628204937.

The spelling of 70068450 in words is "seventy million, sixty-eight thousand, four hundred fifty".