1673127045 has 24 divisors (see below), whose sum is σ = 2901221856. Its totient is φ = 891985248.

The previous prime is 1673127041. The next prime is 1673127059. The reversal of 1673127045 is 5407213761.

It is a happy number.

It is not a de Polignac number, because 1673127045 - 2² = 1673127041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673127041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143194 + ... + 154436.

It is an arithmetic number, because the mean of its divisors is an integer number (120884244).

Almost surely, 2^1673127045 is an apocalyptic number.

1673127045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1673127045 is a deficient number, since it is larger than the sum of its proper divisors (1228094811).

1673127045 is a wasteful number, since it uses less digits than its factorization.

1673127045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14561 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1673127045 is about 40903.8756721169. The cubic root of 1673127045 is about 1187.1610514809.

The spelling of 1673127045 in words is "one billion, six hundred seventy-three million, one hundred twenty-seven thousand, forty-five".