427082973 has 4 divisors (see below), whose sum is σ = 569443968. Its totient is φ = 284721980.

The previous prime is 427082951. The next prime is 427083017. The reversal of 427082973 is 379280724.

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 427082973 - 2⁸ = 427082717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427082933) 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, 71180493 + ... + 71180498.

It is an arithmetic number, because the mean of its divisors is an integer number (142360992).

Almost surely, 2^427082973 is an apocalyptic number.

It is an amenable number.

427082973 is a deficient number, since it is larger than the sum of its proper divisors (142360995).

427082973 is a wasteful number, since it uses less digits than its factorization.

427082973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142360994.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 427082973 is about 20665.9858947015. The cubic root of 427082973 is about 753.0735930500.

The spelling of 427082973 in words is "four hundred twenty-seven million, eighty-two thousand, nine hundred seventy-three".