70419511 has 4 divisors (see below), whose sum is σ = 72847800. Its totient is φ = 67991224.

The previous prime is 70419499. The next prime is 70419553. The reversal of 70419511 is 11591407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11591407 = 467 ⋅24821.

It is a cyclic number.

It is not a de Polignac number, because 70419511 - 2¹⁹ = 69895223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70419511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70419571) 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 3 ways as a sum of consecutive naturals, for example, 1214101 + ... + 1214158.

It is an arithmetic number, because the mean of its divisors is an integer number (18211950).

Almost surely, 2^70419511 is an apocalyptic number.

70419511 is a deficient number, since it is larger than the sum of its proper divisors (2428289).

70419511 is a wasteful number, since it uses less digits than its factorization.

70419511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428288.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 70419511 is about 8391.6333928503. The cubic root of 70419511 is about 412.9501881465.

The spelling of 70419511 in words is "seventy million, four hundred nineteen thousand, five hundred eleven".