70194450 has 24 divisors (see below), whose sum is σ = 174082608. Its totient is φ = 18718480.

The previous prime is 70194431. The next prime is 70194451. The reversal of 70194450 is 5449107.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (70194451) 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, 233832 + ... + 234131.

It is an arithmetic number, because the mean of its divisors is an integer number (7253442).

Almost surely, 2^70194450 is an apocalyptic number.

70194450 is an abundant number, since it is smaller than the sum of its proper divisors (103888158).

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

70194450 is a wasteful number, since it uses less digits than its factorization.

70194450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467978 (or 467973 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 70194450 is about 8378.2128165856. The cubic root of 70194450 is about 412.5097885648.

The spelling of 70194450 in words is "seventy million, one hundred ninety-four thousand, four hundred fifty".