1420047673 has 8 divisors (see below), whose sum is σ = 1568753280. Its totient is φ = 1274610480.

The previous prime is 1420047661. The next prime is 1420047677. The reversal of 1420047673 is 3767400241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420047673 - 2¹⁷ = 1419916601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420047677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816190 + ... + 817927.

It is an arithmetic number, because the mean of its divisors is an integer number (196094160).

Almost surely, 2^1420047673 is an apocalyptic number.

It is an amenable number.

1420047673 is a deficient number, since it is larger than the sum of its proper divisors (148705607).

1420047673 is a wasteful number, since it uses less digits than its factorization.

1420047673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634207.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1420047673 is about 37683.5199125559. The cubic root of 1420047673 is about 1124.0034428811.

The spelling of 1420047673 in words is "one billion, four hundred twenty million, forty-seven thousand, six hundred seventy-three".