671037674 has 4 divisors (see below), whose sum is σ = 1006556514. Its totient is φ = 335518836.

The previous prime is 671037623. The next prime is 671037677. The reversal of 671037674 is 476730176.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 607277449 + 63760225 = 24643^2 + 7985^2 .

It is not an unprimeable number, because it can be changed into a prime (671037677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167759417 + ... + 167759420.

Almost surely, 2^671037674 is an apocalyptic number.

671037674 is a deficient number, since it is larger than the sum of its proper divisors (335518840).

671037674 is a wasteful number, since it uses less digits than its factorization.

671037674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335518839.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 671037674 is about 25904.3948780897. The cubic root of 671037674 is about 875.4855205850.

The spelling of 671037674 in words is "six hundred seventy-one million, thirty-seven thousand, six hundred seventy-four".