70801019 has 2 divisors, whose sum is σ = 70801020. Its totient is φ = 70801018.

The previous prime is 70801009. The next prime is 70801033. The reversal of 70801019 is 91010807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70801019 - 2²⁰ = 69752443 is a prime.

It is a super-2 number, since 2×70801019² = 10025568582876722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70801009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35400509 + 35400510.

It is an arithmetic number, because the mean of its divisors is an integer number (35400510).

Almost surely, 2^70801019 is an apocalyptic number.

70801019 is a deficient number, since it is larger than the sum of its proper divisors (1).

70801019 is an equidigital number, since it uses as much as digits as its factorization.

70801019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 70801019 is about 8414.3341388371. The cubic root of 70801019 is about 413.6945848146.

The spelling of 70801019 in words is "seventy million, eight hundred one thousand, nineteen".