674324638237 has 8 divisors (see below), whose sum is σ = 678992074200. Its totient is φ = 669659092800.

The previous prime is 674324638223. The next prime is 674324638271. The reversal of 674324638237 is 732836423476.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2860752196 + 671463886041 = 53486^2 + 819429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674324638237 - 2³⁹ = 124568824349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674324632237) 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 in 7 ways as a sum of consecutive naturals, for example, 246987 + ... + 1187287.

It is an arithmetic number, because the mean of its divisors is an integer number (84874009275).

Almost surely, 2^674324638237 is an apocalyptic number.

It is an amenable number.

674324638237 is a deficient number, since it is larger than the sum of its proper divisors (4667435963).

674324638237 is a wasteful number, since it uses less digits than its factorization.

674324638237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945263.

The product of its digits is 24385536, while the sum is 55.

The spelling of 674324638237 in words is "six hundred seventy-four billion, three hundred twenty-four million, six hundred thirty-eight thousand, two hundred thirty-seven".