673674440737 has 4 divisors (see below), whose sum is σ = 689341288240. Its totient is φ = 658007593236.

The previous prime is 673674440717. The next prime is 673674440749. The reversal of 673674440737 is 737044476376.

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 673674440737 - 2⁷ = 673674440609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673674440717) 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, 7833423687 + ... + 7833423772.

It is an arithmetic number, because the mean of its divisors is an integer number (172335322060).

Almost surely, 2^673674440737 is an apocalyptic number.

It is an amenable number.

673674440737 is a deficient number, since it is larger than the sum of its proper divisors (15666847503).

673674440737 is a wasteful number, since it uses less digits than its factorization.

673674440737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666847502.

The product of its (nonzero) digits is 49787136, while the sum is 58.

The spelling of 673674440737 in words is "six hundred seventy-three billion, six hundred seventy-four million, four hundred forty thousand, seven hundred thirty-seven".