662974673 has 4 divisors (see below), whose sum is σ = 663348288. Its totient is φ = 662601060.

The previous prime is 662974667. The next prime is 662974717. The reversal of 662974673 is 376479266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 662974673 - 2¹² = 662970577 is a prime.

It is a super-4 number, since 4×662974673⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662974643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184133 + ... + 187698.

It is an arithmetic number, because the mean of its divisors is an integer number (165837072).

Almost surely, 2^662974673 is an apocalyptic number.

It is an amenable number.

662974673 is a deficient number, since it is larger than the sum of its proper divisors (373615).

662974673 is a wasteful number, since it uses less digits than its factorization.

662974673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373614.

The product of its digits is 2286144, while the sum is 50.

The square root of 662974673 is about 25748.2945648833. The cubic root of 662974673 is about 871.9648518679.

The spelling of 662974673 in words is "six hundred sixty-two million, nine hundred seventy-four thousand, six hundred seventy-three".