427633534 has 8 divisors (see below), whose sum is σ = 652322520. Its totient is φ = 210192696.

The previous prime is 427633523. The next prime is 427633537. The reversal of 427633534 is 435336724.

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

It is a junction number, because it is equal to n+sod(n) for n = 427633493 and 427633502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427633537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811889 + ... + 1812124.

It is an arithmetic number, because the mean of its divisors is an integer number (81540315).

Almost surely, 2^427633534 is an apocalyptic number.

427633534 is a deficient number, since it is larger than the sum of its proper divisors (224688986).

427633534 is a wasteful number, since it uses less digits than its factorization.

427633534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624074.

The product of its digits is 181440, while the sum is 37.

The square root of 427633534 is about 20679.3020675264. The cubic root of 427633534 is about 753.3970547208.

The spelling of 427633534 in words is "four hundred twenty-seven million, six hundred thirty-three thousand, five hundred thirty-four".