674337043971 has 40 divisors (see below), whose sum is σ = 1024930790400. Its totient is φ = 441762899760.

The previous prime is 674337043937. The next prime is 674337044023. The reversal of 674337043971 is 179340733476.

674337043971 is a `hidden beast` number, since 6 + 74 + 3 + 3 + 70 + 439 + 71 = 666.

It is not a de Polignac number, because 674337043971 - 2²² = 674332849667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674337043901) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1100470 + ... + 1599908.

It is an arithmetic number, because the mean of its divisors is an integer number (25623269760).

Almost surely, 2^674337043971 is an apocalyptic number.

674337043971 is a deficient number, since it is larger than the sum of its proper divisors (350593746429).

674337043971 is a wasteful number, since it uses less digits than its factorization.

674337043971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499741 (or 499732 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 54.

The spelling of 674337043971 in words is "six hundred seventy-four billion, three hundred thirty-seven million, forty-three thousand, nine hundred seventy-one".