427673649 has 8 divisors (see below), whose sum is σ = 614095552. Its totient is φ = 263183760.

The previous prime is 427673621. The next prime is 427673669. The reversal of 427673649 is 946376724.

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

It is not a de Polignac number, because 427673649 - 2¹⁶ = 427608113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427673598 and 427673607.

It is not an unprimeable number, because it can be changed into a prime (427673669) 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, 5482957 + ... + 5483034.

It is an arithmetic number, because the mean of its divisors is an integer number (76761944).

Almost surely, 2^427673649 is an apocalyptic number.

It is an amenable number.

427673649 is a deficient number, since it is larger than the sum of its proper divisors (186421903).

427673649 is a wasteful number, since it uses less digits than its factorization.

427673649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966007.

The product of its digits is 1524096, while the sum is 48.

The square root of 427673649 is about 20680.2719759678. The cubic root of 427673649 is about 753.4206119456.

The spelling of 427673649 in words is "four hundred twenty-seven million, six hundred seventy-three thousand, six hundred forty-nine".