674947937 has 2 divisors, whose sum is σ = 674947938. Its totient is φ = 674947936.

The previous prime is 674947927. The next prime is 674947967. The reversal of 674947937 is 739749476.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427703761 + 247244176 = 20681^2 + 15724^2 .

It is a cyclic number.

It is not a de Polignac number, because 674947937 - 2⁴ = 674947921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674947927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337473968 + 337473969.

It is an arithmetic number, because the mean of its divisors is an integer number (337473969).

Almost surely, 2^674947937 is an apocalyptic number.

It is an amenable number.

674947937 is a deficient number, since it is larger than the sum of its proper divisors (1).

674947937 is an equidigital number, since it uses as much as digits as its factorization.

674947937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 56.

The square root of 674947937 is about 25979.7601413100. The cubic root of 674947937 is about 877.1827678269.

The spelling of 674947937 in words is "six hundred seventy-four million, nine hundred forty-seven thousand, nine hundred thirty-seven".