70619 has 2 divisors, whose sum is σ = 70620. Its totient is φ = 70618.

The previous prime is 70607. The next prime is 70621. The reversal of 70619 is 91607.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70619 - 2¹² = 66523 is a prime.

It is a super-2 number, since 2×70619² = 9974086322, which contains 22 as substring.

Together with 70621, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70594 and 70603.

It is not a weakly prime, because it can be changed into another prime (70639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35309 + 35310.

It is an arithmetic number, because the mean of its divisors is an integer number (35310).

2⁷⁰⁶¹⁹ is an apocalyptic number.

70619 is a deficient number, since it is larger than the sum of its proper divisors (1).

70619 is an equidigital number, since it uses as much as digits as its factorization.

70619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 70619 is about 265.7423564282. The cubic root of 70619 is about 41.3339764613. Note that the first 3 decimals are identical.

The spelling of 70619 in words is "seventy thousand, six hundred nineteen".