187070071 has 2 divisors, whose sum is σ = 187070072. Its totient is φ = 187070070.

The previous prime is 187070041. The next prime is 187070077. The reversal of 187070071 is 170070781.

It is a strong prime.

It is an emirp because it is prime and its reverse (170070781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 187070071 - 2¹¹ = 187068023 is a prime.

It is a super-2 number, since 2×187070071² = 69990422927890082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187070077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93535035 + 93535036.

It is an arithmetic number, because the mean of its divisors is an integer number (93535036).

Almost surely, 2^187070071 is an apocalyptic number.

187070071 is a deficient number, since it is larger than the sum of its proper divisors (1).

187070071 is an equidigital number, since it uses as much as digits as its factorization.

187070071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 31.

The square root of 187070071 is about 13677.3561407167. The cubic root of 187070071 is about 571.9193235117.

The spelling of 187070071 in words is "one hundred eighty-seven million, seventy thousand, seventy-one".