1673540467 has 4 divisors (see below), whose sum is σ = 1746303120. Its totient is φ = 1600777816.

The previous prime is 1673540447. The next prime is 1673540471. The reversal of 1673540467 is 7640453761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7640453761 = 4157 ⋅1837973.

It is a cyclic number.

It is not a de Polignac number, because 1673540467 - 2⁷ = 1673540339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1673540437) 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, 36381292 + ... + 36381337.

It is an arithmetic number, because the mean of its divisors is an integer number (436575780).

Almost surely, 2^1673540467 is an apocalyptic number.

1673540467 is a deficient number, since it is larger than the sum of its proper divisors (72762653).

1673540467 is an equidigital number, since it uses as much as digits as its factorization.

1673540467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72762652.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 1673540467 is about 40908.9289397804. The cubic root of 1673540467 is about 1187.2588241075.

The spelling of 1673540467 in words is "one billion, six hundred seventy-three million, five hundred forty thousand, four hundred sixty-seven".