70580819 has 2 divisors, whose sum is σ = 70580820. Its totient is φ = 70580818.

The previous prime is 70580779. The next prime is 70580849. The reversal of 70580819 is 91808507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70580819 - 2⁸ = 70580563 is a prime.

It is a super-2 number, since 2×70580819² = 9963304021421522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70580849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35290409 + 35290410.

It is an arithmetic number, because the mean of its divisors is an integer number (35290410).

Almost surely, 2^70580819 is an apocalyptic number.

70580819 is a deficient number, since it is larger than the sum of its proper divisors (1).

70580819 is an equidigital number, since it uses as much as digits as its factorization.

70580819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 70580819 is about 8401.2391347943. The cubic root of 70580819 is about 413.2652588347.

The spelling of 70580819 in words is "seventy million, five hundred eighty thousand, eight hundred nineteen".