70804519 has 2 divisors, whose sum is σ = 70804520. Its totient is φ = 70804518.

The previous prime is 70804427. The next prime is 70804523. The reversal of 70804519 is 91540807.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70804519 - 2²¹ = 68707367 is a prime.

It is a super-2 number, since 2×70804519² = 10026559821642722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70804549) 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 as a sum of consecutive naturals, namely, 35402259 + 35402260.

It is an arithmetic number, because the mean of its divisors is an integer number (35402260).

Almost surely, 2^70804519 is an apocalyptic number.

70804519 is a deficient number, since it is larger than the sum of its proper divisors (1).

70804519 is an equidigital number, since it uses as much as digits as its factorization.

70804519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 70804519 is about 8414.5421146964. The cubic root of 70804519 is about 413.7014016054.

The spelling of 70804519 in words is "seventy million, eight hundred four thousand, five hundred nineteen".