127573073 has 4 divisors (see below), whose sum is σ = 127638768. Its totient is φ = 127507380.

The previous prime is 127573057. The next prime is 127573081. The reversal of 127573073 is 370375721.

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, and also an emirpimes, since its reverse is a distinct semiprime: 370375721 = 19 ⋅19493459.

It is a cyclic number.

It is not a de Polignac number, because 127573073 - 2⁴ = 127573057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127570073) 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, 29843 + ... + 33848.

It is an arithmetic number, because the mean of its divisors is an integer number (31909692).

Almost surely, 2^127573073 is an apocalyptic number.

It is an amenable number.

127573073 is a deficient number, since it is larger than the sum of its proper divisors (65695).

127573073 is an equidigital number, since it uses as much as digits as its factorization.

127573073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65694.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 127573073 is about 11294.8250539794. The cubic root of 127573073 is about 503.4074892812.

It can be divided in two parts, 1275 and 73073, that multiplied together give a triangular number (93168075 = T₁₃₆₅₀).

The spelling of 127573073 in words is "one hundred twenty-seven million, five hundred seventy-three thousand, seventy-three".