70385419 has 4 divisors (see below), whose sum is σ = 75799696. Its totient is φ = 64971144.

The previous prime is 70385377. The next prime is 70385437. The reversal of 70385419 is 91458307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91458307 = 1019 ⋅89753.

It is a cyclic number.

It is not a de Polignac number, because 70385419 - 2¹³ = 70377227 is a prime.

It is a super-2 number, since 2×70385419² = 9908214415611122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70385459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2707119 + ... + 2707144.

It is an arithmetic number, because the mean of its divisors is an integer number (18949924).

Almost surely, 2^70385419 is an apocalyptic number.

70385419 is a deficient number, since it is larger than the sum of its proper divisors (5414277).

70385419 is a wasteful number, since it uses less digits than its factorization.

70385419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414276.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 70385419 is about 8389.6018379897. The cubic root of 70385419 is about 412.8835372514.

The spelling of 70385419 in words is "seventy million, three hundred eighty-five thousand, four hundred nineteen".