1533729674 has 8 divisors (see below), whose sum is σ = 2304185508. Its totient is φ = 765667840.

The previous prime is 1533729643. The next prime is 1533729679. The reversal of 1533729674 is 4769273351.

It can be written as a sum of positive squares in 2 ways, for example, as 1509866449 + 23863225 = 38857^2 + 4885^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1533729679) 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, 596897 + ... + 599460.

Almost surely, 2^1533729674 is an apocalyptic number.

1533729674 is a deficient number, since it is larger than the sum of its proper divisors (770455834).

1533729674 is a wasteful number, since it uses less digits than its factorization.

1533729674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197000.

The product of its digits is 952560, while the sum is 47.

The square root of 1533729674 is about 39162.8609016246. The cubic root of 1533729674 is about 1153.2309077591.

The spelling of 1533729674 in words is "one billion, five hundred thirty-three million, seven hundred twenty-nine thousand, six hundred seventy-four".