674709547 has 2 divisors, whose sum is σ = 674709548. Its totient is φ = 674709546.

The previous prime is 674709527. The next prime is 674709569. The reversal of 674709547 is 745907476.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674709547 is a prime.

It is a super-4 number, since 4×674709547⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 674709547.

It is not a weakly prime, because it can be changed into another prime (674709527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337354773 + 337354774.

It is an arithmetic number, because the mean of its divisors is an integer number (337354774).

Almost surely, 2^674709547 is an apocalyptic number.

674709547 is a deficient number, since it is larger than the sum of its proper divisors (1).

674709547 is an equidigital number, since it uses as much as digits as its factorization.

674709547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 674709547 is about 25975.1717414919. The cubic root of 674709547 is about 877.0794827128.

The spelling of 674709547 in words is "six hundred seventy-four million, seven hundred nine thousand, five hundred forty-seven".