70077671 has 2 divisors, whose sum is σ = 70077672. Its totient is φ = 70077670.

The previous prime is 70077653. The next prime is 70077673. The reversal of 70077671 is 17677007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70077671 - 2¹⁴ = 70061287 is a prime.

Together with 70077673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70077673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35038835 + 35038836.

It is an arithmetic number, because the mean of its divisors is an integer number (35038836).

Almost surely, 2^70077671 is an apocalyptic number.

70077671 is a deficient number, since it is larger than the sum of its proper divisors (1).

70077671 is an equidigital number, since it uses as much as digits as its factorization.

70077671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14406, while the sum is 35.

The square root of 70077671 is about 8371.2407085210. The cubic root of 70077671 is about 412.2809042804.

The spelling of 70077671 in words is "seventy million, seventy-seven thousand, six hundred seventy-one".