1073173427 has 4 divisors (see below), whose sum is σ = 1090766496. Its totient is φ = 1055580360.

The previous prime is 1073173421. The next prime is 1073173441. The reversal of 1073173427 is 7243713701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1073173427 - 2⁶ = 1073173363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073173421) 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, 8796443 + ... + 8796564.

It is an arithmetic number, because the mean of its divisors is an integer number (272691624).

Almost surely, 2^1073173427 is an apocalyptic number.

1073173427 is a deficient number, since it is larger than the sum of its proper divisors (17593069).

1073173427 is an equidigital number, since it uses as much as digits as its factorization.

1073173427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17593068.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 1073173427 is about 32759.3258019758. The cubic root of 1073173427 is about 1023.8192795673.

The spelling of 1073173427 in words is "one billion, seventy-three million, one hundred seventy-three thousand, four hundred twenty-seven".