70419066 has 64 divisors (see below), whose sum is σ = 156805632. Its totient is φ = 20984832.

The previous prime is 70419061. The next prime is 70419091. The reversal of 70419066 is 66091407.

70419066 = T₁₄₀ + T₁₄₁ + ... + T₇₅₁.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70419061) 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 31 ways as a sum of consecutive naturals, for example, 177180 + ... + 177576.

It is an arithmetic number, because the mean of its divisors is an integer number (2450088).

Almost surely, 2^70419066 is an apocalyptic number.

70419066 is an abundant number, since it is smaller than the sum of its proper divisors (86386566).

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

70419066 is a wasteful number, since it uses less digits than its factorization.

70419066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 70419066 is about 8391.6068783041. The cubic root of 70419066 is about 412.9493182966.

The spelling of 70419066 in words is "seventy million, four hundred nineteen thousand, sixty-six".