842532729 has 8 divisors (see below), whose sum is σ = 1123522272. Its totient is φ = 561615840.

The previous prime is 842532727. The next prime is 842532749. The reversal of 842532729 is 927235248.

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

It is not a de Polignac number, because 842532729 - 2¹ = 842532727 is a prime.

It is a super-2 number, since 2×842532729² = 1419722798872374882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (842532727) 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, 20902 + ... + 46064.

It is an arithmetic number, because the mean of its divisors is an integer number (140440284).

Almost surely, 2^842532729 is an apocalyptic number.

It is an amenable number.

842532729 is a deficient number, since it is larger than the sum of its proper divisors (280989543).

842532729 is a wasteful number, since it uses less digits than its factorization.

842532729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36327.

The product of its digits is 241920, while the sum is 42.

The square root of 842532729 is about 29026.4143324662. The cubic root of 842532729 is about 944.4861493520.

The spelling of 842532729 in words is "eight hundred forty-two million, five hundred thirty-two thousand, seven hundred twenty-nine".