371742947 has 2 divisors, whose sum is σ = 371742948. Its totient is φ = 371742946.

The previous prime is 371742913. The next prime is 371742971. The reversal of 371742947 is 749247173.

It is a strong prime.

It is an emirp because it is prime and its reverse (749247173) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-371742947 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 371742898 and 371742907.

It is not a weakly prime, because it can be changed into another prime (371742907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185871473 + 185871474.

It is an arithmetic number, because the mean of its divisors is an integer number (185871474).

Almost surely, 2^371742947 is an apocalyptic number.

371742947 is a deficient number, since it is larger than the sum of its proper divisors (1).

371742947 is an equidigital number, since it uses as much as digits as its factorization.

371742947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 44.

The square root of 371742947 is about 19280.6365818144. The cubic root of 371742947 is about 719.0309410413.

It can be divided in two parts, 3717 and 42947, that added together give a palindrome (46664).

The spelling of 371742947 in words is "three hundred seventy-one million, seven hundred forty-two thousand, nine hundred forty-seven".