674324537 has 2 divisors, whose sum is σ = 674324538. Its totient is φ = 674324536.

The previous prime is 674324513. The next prime is 674324543. The reversal of 674324537 is 735423476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607918336 + 66406201 = 24656^2 + 8149^2 .

It is a cyclic number.

It is not a de Polignac number, because 674324537 - 2¹⁴ = 674308153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674324494 and 674324503.

It is not a weakly prime, because it can be changed into another prime (674324597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337162268 + 337162269.

It is an arithmetic number, because the mean of its divisors is an integer number (337162269).

Almost surely, 2^674324537 is an apocalyptic number.

It is an amenable number.

674324537 is a deficient number, since it is larger than the sum of its proper divisors (1).

674324537 is an equidigital number, since it uses as much as digits as its factorization.

674324537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 41.

The square root of 674324537 is about 25967.7595683571. The cubic root of 674324537 is about 876.9126214688.

The spelling of 674324537 in words is "six hundred seventy-four million, three hundred twenty-four thousand, five hundred thirty-seven".