674001667 has 16 divisors (see below), whose sum is σ = 699052032. Its totient is φ = 649483200.

The previous prime is 674001641. The next prime is 674001697. The reversal of 674001667 is 766100476.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674001667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674001607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121167 + ... + 1121767.

It is an arithmetic number, because the mean of its divisors is an integer number (43690752).

Almost surely, 2^674001667 is an apocalyptic number.

674001667 is a deficient number, since it is larger than the sum of its proper divisors (25050365).

674001667 is a wasteful number, since it uses less digits than its factorization.

674001667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 674001667 is about 25961.5420766949. The cubic root of 674001667 is about 876.7726423922.

The spelling of 674001667 in words is "six hundred seventy-four million, one thousand, six hundred sixty-seven".